English > eye: 6 senses > noun 1, body| Meaning | The organ of sight. |
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| Synonyms | oculus, optic |
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| Part of | face, human face | The front of the human head from the forehead to the chin and ear to ear |
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| visual system | The sensory system for vision |
| Parts | aperture | A natural opening in something |
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| canthus | Either of the corners of the eye where the upper and lower eyelids meet / meet |
| central artery of the retina, arteria centralis retinae | A branch of the ophthalmic artery |
| choroid, choroid coat | A highly vascular membrane in the eye between the retina and the sclera |
| ciliary artery, arteria ciliaris | One of several arteries supplying the choroid coat of the eye |
| ciliary body | The part of the tunic of the eye between the choroid coat and the iris |
| conjunctiva | A transparent lubricating mucous membrane that covers the eyeball and the under surface of the eyelid |
| cornea | The transparent dome-shaped anterior portion of the outer covering of the eye |
| epicanthus, epicanthic fold | A vertical fold of skin over the nasal canthus |
| eyeball, orb | The ball-shaped capsule containing the vertebrate eye |
| eyelid, lid, palpebra | Either of two folds of skin that can be moved to cover or open / open the eye |
| iris | muscular diaphragm that controls the size of the pupil which in turn controls the amount of light that enters the eye |
| lacrimal apparatus | The structures that secrete and drain tears from the eye |
| lacrimal artery, arteria lacrimalis | An artery that originates from the ophthalmic artery and supplies the lacrimal gland and rectal eye muscles and the upper eyelid and the forehead |
| lacrimal vein, vena lacrimalis | drains the lacrimal gland |
| lens, crystalline lens, lens of the eye | biconvex transparent body situated behind the iris in the eye |
| nictitating membrane, third eyelid | A protective fold of skin in the eyes of reptiles and birds and some mammals |
| ocular muscle, eye muscle | One of the small muscles of the eye that serve to rotate the eyeball |
| pupillary sphincter, musculus sphincter pupillae | A ring of smooth muscle surrounding the iris |
| retina | The innermost light-sensitive membrane covering the back wall of the eyeball |
| sclera, sclerotic coat | The whitish / whitish fibrous membrane (albuginea) that with the cornea forms the outer covering and protection of the eyeball |
| uvea | The part of the eye that contains the iris and ciliary body and choroid |
| uveoscleral pathway | A tubule that drains excess aqueous humor |
| Narrower | compound eye | In insects and some crustaceans |
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| naked eye | The eye unaided by any optical instrument that alters the power of vision or alters the apparent size or distance of objects |
| oculus dexter, OD | The right eye |
| oculus sinister, OS | The left eye |
| peeper | An informal term referring to the eye |
| simple eye, stemma, ocellus | An eye having a single lens |
| Broader | sense organ, sensory receptor, receptor | An organ having nerve endings (in the skin or viscera or eye or ear or nose or mouth) that respond to stimulation |
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| Usage of | colloquialism | A colloquial expression |
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| Spanish | oculus, ojo |
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| Catalan | òcul, oculus, òptica, ull |
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| Adjectives | binocular | relating to both eyes |
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| ocular, optic, optical, ophthalmic | of or relating to or resembling the eye |
| Verbs | eye | look at |
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English > eye: 6 senses > noun 4, location| Meaning | An area that is approximately central within some larger / larger region. |
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| Example | "they were in the eye of the storm" |
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| Synonyms | center, centre, middle, heart |
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| Instances | City of London, the City | The part of London situated within the ancient boundaries |
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| Narrower | center stage, centre stage | The central area on a theater stage |
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| city center, city centre, central city | The central part of a city |
| financial center | The part of a city where financial institutions are centered |
| hub | A center of activity or interest or commerce or transportation |
| inner city | The older and more populated and (usually) poorer central section of a city |
| medical center | The part of a city where medical facilities are centered |
| midfield | (sports) the middle part of a playing field (as in football or lacrosse) |
| midstream | The middle of a stream |
| seat | A center of authority (as a city from which authority is exercised) |
| storm center, storm centre | The central area or place of lowest barometric pressure within a storm |
| Broader | area, country | A particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography) |
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| Spanish | centro, corazón, medio, ojo |
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| Catalan | centre, cor, mig, ull |
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