The part of the carapace of a crustacean situated behind the cervical groove.

Of or pertaining to the omosternum.

The anterior element of the sternum which projects forward from between the clavicles in many batrachians and is usually tipped with cartilage. In many mammals, an interarticular cartilage, or bone, between the sternum and the clavicle.

Of, pertaining to, or expressed from, unripe fruit; as, omphacine oil.

Of or pertaining to the umbilicus, or navel.

A hernia at the navel.

The central part of the hilum of a seed, through which the nutrient vessels pass into the rhaphe or the chalaza; -- called also omphalodium.

Divination by means of a child's navel, to learn how many children the mother may have.

Omphalomesenteric.

Of or pertaining to the umbilicus and mesentery; omphalomesaraic; as, the omphalomesenteric arteries and veins of a fetus.

A name of the Hesychasts, from their habit of gazing upon the navel.

An optical glass that is convex on both sides.

The navel.

The operation of dividing the navel-string.

Mellow, as land.

Forward, in progression; onward; -- usually with a verb of motion; as, move on; go on; the beat goes on.

They say, or it is said. A flying report; rumor; as, it is a mere on dit.

Malfunctioning or inoperable; -- of machinery and devices.

Menstruating; -- of women.

performing or available for duties; as, her on-duty hours were 11p.m. to 7 a.m.. Opposite of off-duty.

A hanger-on.

In tune; striking or singing the proper notes. Opposite of off-key.

a license to sell liquor for consumption on the premises.

connected by a communications line to a computer. Opposite of off-line.

A person who observes an event; a looker-on; a spectator.

Looking on or forward.

Taking place or located at the indicated site; as, on-site inspection. Opposed to off-site.

at the sides of streets; as, on-street parking is prohibited at rush hour. Opposite of off-street.

Being or occurring at the place or time in question; as, an on-the-scene newscast.

A military engine acting like a sling, which threw stones from a bag or wooden bucket, and was operated by machinery.

The dauw.

A form of drum used by the Chippewa indians.

Same as Oenothera, a genus of plants consisting of the evening primrose.

The female of the onager.

Pertaining to, or resembling, a natural order of plants (Onagraceae or Onagrarieae), which includes the fuchsia, the willow-herb (Epilobium), and the evening primrose (/nothera).

Self-pollution; masturbation.

A nocturnal South American monkey (Callithrix discolor), noted for its agility; -- called also ventriloquist monkey.

For one time; by limitation to the number one; not twice nor any number of times more than one.

a swift cursory examination or inspection; as, I gave him the once-over.

An infection with nematodes of the genus Onchocerca, especially Onchocerca volvulus. Untreated, such infections can cause serious dermatological problems, and in advanced cases may lead to blindness. In certain areas of tropical Africa the blindness caused by onchocerciasis is called river blindness.

A genus of fishes including the sockeye salmon; chinook salmon; and coho salmon.

A genus of tropical orchidaceous plants, the flower of one species of which (Oncidium Papilio) resembles a butterfly.

An instrument for registering the changes observable with an oncometer.

An instrument for measuring the variations in size of the internal organs of the body, as the kidney, spleen, etc.

the beginning or early stages; the onset.

In cost accounting, expenditure which is involved in the process of manufacture or the performance of work and which cannot be charged directly to any particular article manufactured or work done (as where different kinds of goods are produced), but must be allocated so that each kind of goods or work shall bear its proper share.

The opening of an abscess, or the removal of a tumor, with a cutting instrument.

A genus of rodents including the muskrat (Ondatra zibethica).

Hatred; fury; envy.

The record of an ondograph.

An instrument for autographically recording the wave forms of varying currents, esp. rapidly varying alternating currents.

An electric wave meter.

Wavy; having the surface marked by waves or slightly depressed furrows; as, ondoyant glass.

To cause to become one; to gather into a single whole; to unite; to assimilite.

having only one dimension; as, a line is a one-dimensional object; a one-dimensional array.

Relating to or having or hearing with only one ear; monaural. Opposite of binaural.

Having only one sharp edge; single-edged; -- of cutting instruments, mostly swords and razor blades. Opposed to double-edged.

an eightht part.

having or showing only one eye; as, one-eyed Jacks are wild; the three one-eyed Cyclopes of Greek myth.

A fifth part.

one of two equal parts of a divisible whole; a half; a century and one half.

Employing one hand; as, the one-hand alphabet. See Dactylology.

A game in which a pitcher allows the opposing team only one hit.

Drawn by one horse; having but a single horse; as, a one-horse carriage.

a seventh part.

Having one side only, or one side prominent.

a sixth part.

an early ballroom dance, precursor to the foxtrot.

a tenth part.

one of three equal parts of a divisible whole.

Ahead of a friend or competitor in some competitive activity.

The attitude or practice of trying to keep one step ahead of a friend or competitor; vigorous competitiveness.

Legally permitting movement or travel in one direction only; -- of paths, especially roads; as, one-way streets.

Designed for or restricted to a single person; same as one-man, but used when the person in question is female, or to avoid sexist language; as, a one-woman submarine; a one-woman show.

completing its life cycle within a year.

The herb Paris. See Herb Paris, under Herb.

A tribe of Indians formerly inhabiting the region near Oneida Lake in the State of New York, and forming part of the Five Nations. Remnants of the tribe now live in New York, Canada, and Wisconsin.

An interpreter of dreams.

Of or pertaining to the interpretation of dreams.

The art of interpreting dreams.

Divination by means of dreams.

One who interprets dreams.

The interpretation of dreams.

The state of being one or single.

See Only.

The state of being at one or reconciled.

The state of being one; singleness in number; individuality; unity.

Fitted for, or carrying, a burden.

To load; to burden.

The act of loading.

Burdensome; oppressive.

In an onerous manner.

Once.

A reflexive form of the indefinite pronoun one. Commonly written as two words, one's self.

Scarcely. See Unnethe.

The act of going forward; progress; (pl.) affairs; business; current events.

Occurring at present; progressing; in progress; continuing; not past, completed, or future; as, an ongoing petition drive; an ongoing effort.

An unguent.

A liliaceous plant of the genus Allium (Allium cepa), having a strong-flavored bulb and long hollow leaves; also, its bulbous root, much used as an article of food. The name is often extended to other species of the genus.

A dome with a pointed top, its width often extending beyond the width of the tower it covers; -- a style of architecture characteristic of Russian Orthodox churches.

A kind of thin but strong translucent paper with a glossy finish.

See Oneirocritic.

The type genus of the Oniscidae, consisting of woodlice that cannot roll into a ball.

The state of being alone.

Aloft; above ground.

Save or except (that); -- an adversative used elliptically with or without that, and properly introducing a single fact or consideration.

A white crystalline waxy substance extracted from the root of the leguminous plant Ononis spinosa.

A genus consisting of only species: the sensitive fern; in some classifications it is included in the Polypodiaceae.

Foolish discourse.

Divination by the letters of a name; nomancy.

Of or pertaining to onomancy.

Applied to a signature when the body of the instrument is in another's handwriting.

A collection of names and terms; a dictionary; specif., a collection of Greek names, with explanatory notes, made by Julius Pollux about a. d. 180.

Prognostication by the letters of a name.

One versed in the history of names.

The science of names or of their classification.

An imitative word; an onomatopoetic word.

The formation of words in imitation of sounds; a figure of speech in which the sound of a word is imitative of the sound of the thing which the word represents; as, the buzz of bees; the hiss of a goose; the crackle of fire.

Onomatopoetic.

Of or pertaining to onomatopoeia; characterized by onomatopoeia; imitative; as, an onomatopoetic writer or word.