choroid

[ kawr-oid, kohr- ]
/ ˈkɔr ɔɪd, ˈkoʊr- /
Anatomy

adjective

like the chorion; membranous.

noun

Also cho·roi·dal, chorioid, chorioidal.

Origin of choroid

1625–35; < Greek choroeidḗs false reading for chorioeidḗs chorioid

Related forms

pre·cho·roid, adjectivesub·cho·roid, adjectivesub·cho·roi·dal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for choroid

British Dictionary definitions for choroid

choroid

chorioid (ˈkɔːrɪˌɔɪd)

/ (ˈkɔːrɔɪd) /

adjective

resembling the chorion, esp in being vascular

noun

the brownish vascular membrane of the eyeball between the sclera and the retina

Word Origin for choroid

C18: from Greek khoroeidēs, erroneously for khorioeidēs, from chorion
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for choroid

choroid

[ kôroid′ ]

n.

The dark-brown vascular coat of the eye between the sclera and the retina.

adj.

Relating to the chorion or corium.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for choroid

choroid

[ kôroid′ ]

Noun

The dark-brown vascular coat of the eye between the sclera and the retina.

Adjective

Resembling the chorion; membranous.
Relating to or involving the choroid of the eye.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.