choroid

noun
cho·roid | \ ˈkȯr-ˌȯid \
variants: or less commonly chorioid \ˈkȯr-ē-ˌȯid \

Definition of choroid 

: a vascular membrane containing large branched pigmented cells that lies between the retina and the sclera of the vertebrate eye

called also choroid coat

— see eye illustration

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Other words from choroid

choroid or choroidal \kə-ˈrȯi-dᵊl \ adjective

Examples of choroid in a Sentence

Recent Examples on the Web

Behind the retina is a part of the eye called the choroid. sandiegouniontribune.com, "6 facts about your eyes," 20 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'choroid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of choroid

1683, in the meaning defined above

History and Etymology for choroid

New Latin choroides resembling the chorion, from Greek chorioeidēs, from chorion chorion

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Dictionary Entries near choroid

choro-

chorogi

chorography

choroid

chorologic

chorology

Chorotega

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Time Traveler for choroid

The first known use of choroid was in 1683

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More Definitions for choroid

choroid

noun
cho·roid | \ ˈkō(ə)r-ˌȯid, ˈkȯ(ə)r- \
variants: also chorioid \ˈkōr-ē-ˌȯid, ˈkȯr- \

Medical Definition of choroid 

: a vascular membrane containing large branched pigment cells that lies between the retina and the sclera of the eye

called also choroid coat

Other words from choroid

choroid or choroidal \kə-ˈrȯid-ᵊl \ adjective

More from Merriam-Webster on choroid

Britannica.com: Encyclopedia article about choroid

Comments on choroid

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