oculus
English Thesaurus
1. the organ of sight (noun.body)
| hypernym | : | receptor, sense organ, sensory receptor, |
| definition | : | an organ having nerve endings (in the skin or viscera or eye or ear or nose or mouth) that respond to stimulation (noun.body) |
| hyponym | : | naked eye, |
| definition | : | the eye unaided by any optical instrument that alters the power of vision or alters the apparent size or distance of objects (noun.body) |
| hyponym | : | peeper, |
| definition | : | an informal term referring to the eye (noun.body) |
| hyponym | : | compound eye, |
| definition | : | in insects and some crustaceans: composed of many light-sensitive elements each forming a portion of an image (noun.body) |
| part holonym | : | choroid, choroid coat, |
| definition | : | a highly vascular membrane in the eye between the retina and the sclera; a dark pigmentation minimizes the scattering of light inside the eye (noun.body) |
| part holonym | : | ciliary body, |
| definition | : | the part of the tunic of the eye between the choroid coat and the iris (noun.body) |
| part holonym | : | eyelid, lid, palpebra, |
| definition | : | either of two folds of skin that can be moved to cover or open the eye (noun.body) |
| part holonym | : | canthus, |
| definition | : | either of the corners of the eye where the upper and lower eyelids meet (noun.body) |
| part holonym | : | epicanthic fold, epicanthus, |
| definition | : | a vertical fold of skin over the nasal canthus; normal for Mongolian peoples; sometimes occurs in Down's syndrome (noun.body) |
| part holonym | : | conjunctiva, |
| definition | : | a transparent lubricating mucous membrane that covers the eyeball and the under surface of the eyelid (noun.body) |
| part holonym | : | eyeball, orb, |
| definition | : | the ball-shaped capsule containing the vertebrate eye (noun.body) |
| part holonym | : | eye muscle, ocular muscle, |
| definition | : | one of the small muscles of the eye that serve to rotate the eyeball (noun.body) |
| part holonym | : | cornea, |
| definition | : | the transparent dome-shaped anterior portion of the outer covering of the eye; it covers the iris and pupil and is continuous with the sclera (noun.body) |
| part holonym | : | uvea, |
| definition | : | the part of the eye that contains the iris and ciliary body and choroid (noun.body) |
| part holonym | : | uveoscleral pathway, |
| definition | : | a tubule that drains excess aqueous humor (noun.body) |
| part holonym | : | iris, |
| definition | : | muscular diaphragm that controls the size of the pupil which in turn controls the amount of light that enters the eye; it forms the colored portion of the eye (noun.body) |
| part holonym | : | crystalline lens, lens, lens of the eye, |
| definition | : | biconvex transparent body situated behind the iris in the eye; its role (along with the cornea) is to focuses light on the retina (noun.body) |
| part holonym | : | arteria lacrimalis, lacrimal artery, |
| definition | : | an artery that originates from the ophthalmic artery and supplies the lacrimal gland and rectal eye muscles and the upper eyelid and the forehead (noun.body) |
| part holonym | : | lacrimal apparatus, |
| definition | : | the structures that secrete and drain tears from the eye (noun.body) |
| part holonym | : | retina, |
| definition | : | the innermost light-sensitive membrane covering the back wall of the eyeball; it is continuous with the optic nerve (noun.body) |
| part holonym | : | sclera, sclerotic coat, |
| definition | : | the whitish fibrous membrane (albuginea) that with the cornea forms the outer covering and protection of the eyeball (noun.body) |
| part holonym | : | aperture, |
| definition | : | a natural opening in something (noun.object) |
| part meronym | : | visual system, |
| definition | : | the sensory system for vision (noun.body) |
| part meronym | : | face, human face, |
| definition | : | the front of the human head from the forehead to the chin and ear to ear (noun.body) |
| domain usage | : | colloquialism, |
| definition | : | a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech (noun.communication) |
| derivation | : | oculist, optometrist, |
| definition | : | a person skilled in testing for defects of vision in order to prescribe corrective glasses (noun.person) |
| derivation | : | eye, eyeball, |
| definition | : | look at (verb.perception) |
| derivation | : | oculist, optometrist, |
| definition | : | a person skilled in testing for defects of vision in order to prescribe corrective glasses (noun.person) |
| derivation | : | eye, eyeball, |
| definition | : | look at (verb.perception) |
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