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Definition of retina

retina

/ˈrɛt.ɪ.nə/
ret · i · na
Plural:retinas
•
Adjective:retinal
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retina Lexical Profile

retina Game Scores & Validity

• noun

1

A thin, light-sensitive layer of neural tissue lining the inner back surface of the eyeball that receives optical images from the lens and converts them into electrical signals sent to the brain via the optic nerve.

Example

"The optometrist dilated her pupils to examine the health of her retina and optic nerve."

• Rhymes for retina

• Nearby Words

retighten
retile
retime
retina
retinal
retinoid
retinol

Word Origin & Etymology

Borrowed from Medieval Latin retina, derived from Latin rete ('net'), referencing the delicate network of blood vessels and nerve fibers at the back of the eye.

Cite this Entry

Wordmom. (2026). Definition of Retina. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/retina
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