/ Dictionary / Index C choroid: Meaning and Definition of Find definitions for: cho•roid Pronunciation: (kôr'oid, kōr'-), [key] — Anat. Anat. —adj. like the chorion; membranous. —n. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: choroid (Thesaurus) chorography choroid coat Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language