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ostracoderm

Any of several extinct fishlike jawless vertebrates having a heavily armored body; of the Paleozoic.

Ostracodermi

A suborder of fishes of which Ostracion is the type.

ostracoid

Of or pertaining to the Ostracoidea (now Ostracoda). One of the Ostracoidea (now Ostracoda).

Ostracoidea

An order of Entomostraca possessing hard bivalve shells. They are of small size, and swim freely about. Now usually written Ostracoda.

Ostrea

A genus of bivalve Mollusca which includes the true oysters.

Ostreaceous

Of or pertaining to an oyster, or to a shell; shelly.

ostrich

A large bird of the genus Struthio, of which Struthio camelus of Africa is the best known species. It has long and very strong legs, adapted for rapid running; only two toes; a long neck, nearly bare of feathers; and short wings incapable of flight. The adult male is about eight feet high.

otacoustic

Assisting the sense of hearing; as, an otacoustic instrument.

Otalgic

Of or pertaining to otalgia. A remedy for otalgia.

Otalgy

Pain in the ear; otalgia.

Otheoscope

An instrument for exhibiting the repulsive action produced by light or heat in an exhausted vessel; a modification of the radiometer.

Otherness

The quality or state of being other or different; alterity; oppositeness.

Otherwhere

In or to some other place, or places; elsewhere.

otherworldly

existing outside of or not in accordance with nature.

othonna

A South African plant of the genus Othonna having smooth often fleshy leaves and heads of yellow flowers.

Otic

Of, pertaining to, or in the region of, the ear; auricular; auditory.

Otides

A suborder of terrestrial game birds of the Old World and Australia, including the bustards.

Otididae

A family of birds related to the cranes, most of which are large and ground-running, and comprising the bustards.

Otiose

Being at leisure or ease; unemployed; indolent; idle.

Otiosity

Leisure; indolence; idleness; ease.

Otis

A genus of birds including certain of the bustards.

Otitis

Inflammation of the ear.

Otocrane

The cavity in the skull in which the parts of the internal ear are lodged.

Otocyst

An auditory cyst or vesicle; one of the simple auditory organs of many invertebrates, containing a fluid and otoliths; also, the embryonic vesicle from which the parts of the internal ear of vertebrates are developed.

Otolite Otolith

One of the small bones or particles of calcareous or other hard substance in the internal ear of vertebrates, and in the auditory organs of many invertebrates; an ear stone. Collectively, the otoliths are called ear sand and otoconite.

Otology

The branch of science which treats of the ear and its diseases.

Otopathy

A diseased condition of the ear.

Otorrhoea

A flow or running from the ear, esp. a purulent discharge.

Otoscope

An instrument for examining the condition of the ear.

Otoscopeic

Of or pertaining to the otoscope or to otoscopy.

Otoscopy

The examination of the ear; the art of using the otoscope.

Otozoum

An extinct genus of huge vertebrates, probably dinosaurs, known only from four-toed tracks in Triassic sandstones.

Ottawas

A tribe of Indians who, when first known, lived on the Ottawa River. Most of them subsequently migrated to the southwestern shore of Lake Superior.

Otter

A corruption of Annotto.

otter hound otterhound

A small hardy British hound having long pendulous ears and a thick coarse shaggy coat with an oily undercoat; bred in England for hunting otters. Called also otter dog.

Ottrelite

A micaceous mineral occurring in small scales. It is characteristic of certain crystalline schists.

Ouakari

Any South American monkey of the genus Brachyurus, especially Brachyurus ouakari.

Ouananiche

A small landlocked variety of the Atlantic salmon (Salmo salar ounaniche) of Lake St. John, Canada, and neighboring waters, noted for its vigor and activity, and habit of leaping from the water when hooked.

Ouarine

A Brazilian monkey of the genus Mycetes.

Oubliette

A dungeon with an opening only at the top, found in some old castles and other strongholds, into which persons condemned to perpetual imprisonment, or to perish secretly, were thrust, or lured to fall.

Ouch

A socket or bezel holding a precious stone; hence, a jewel or ornament worn on the person.

Ought

Was or were under obligation to pay; owed.

Oughtness

The state of being as a thing ought to be; rightness.

Ounce

A feline quadruped (Felis irbis syn. Felis uncia) resembling the leopard in size, and somewhat in color, but it has longer and thicker fur, which forms a short mane on the back. The ounce is pale yellowish gray, with irregular dark spots on the neck and limbs, and dark rings on the body. It inhabits the lofty mountain ranges of Asia. Called also once.

Ouphe

A fairy; a goblin; an elf.

Our

Of or pertaining to us; belonging to us; as, our country; our rights; our troops; our endeavors. See I.

Ourebi

A small, graceful, and swift African antelope, allied to the klipspringer.

Ours

See Note under Our.

Ourselves

An emphasized form of the pronoun of the first person plural; -- used as a subject, usually with we; also, alone in the predicate, in the nominative or the objective case.

Ousel

One of several species of European thrushes, especially the blackbird (Merula merula, or Turdus merula), and the mountain or ring ousel (Turdus torquatus).

Oust

To take away; to remove.

Ouster

A putting out of possession; dispossession; disseizin; -- of a person.

ousting

the act of ejecting someone or forcing them out; ouster.

Out

Expressing impatience, anger, a desire to be rid of; -- with the force of command; go out; begone; away; off.

Out-Herod

To surpass (Herod) in violence or wickedness; to exceed in any vicious or offensive particular. Compare outpope the Pope.

Out-of-door

Being out of the house; being, or done, in the open air; suited for the open air; outdoor; as, out-of-door exercise. See Out of door, under Out, adv.

out-of-doors

Any location outside of any building, where the air is unconfined; the open air.

out-of-school

not attending school and therefore free to work; as, opportunities for out-of-school youth.

out-of-town

happening in or being of another town or city; as, an out-of-town tryout.

Out-patient

A patient who is outside a hospital, but receives medical aid from it.

out-tray

a wood or metal receptacle placed on a desk to hold documents which have been processed, prior to transfer to a different person.

Outact

To do or beyond; to exceed in acting.

Outargue

To surpass or conquer in argument.

Outbabble

To utter foolishly or excessively; to surpass in babbling.

Outbalance

To outweight; to exceed in weight or effect.

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