Choroid
//ˈkɔː.ɹɔɪd// adj, noun
adj, noun ·Uncommon ·Advanced level
Definitions
Noun
- 1 The pigmented vascular layer of the eyeball between the retina and the sclera.
- 2 a highly vascular membrane in the eye between the retina and the sclera; a dark pigmentation minimizes the scattering of light inside the eye wordnet
Adjective
- 1 Resembling the chorion, particularly in containing many blood vessels. not-comparable
Synonyms
All synonymsExample
More examples"The choroid is a highly vascularised, darkly pigmented layer found in between the retina and the sclera of the eye."
Etymology
From New Latin choroides, from Ancient Greek χοροειδής (khoroeidḗs, alteration of χοριοειδής (khorioeidḗs, “like the afterbirth”)), from χόριον (khórion, “membrane that encloses the fetus in the womb, afterbirth”) + -ειδής (-eidḗs, “-like”).
Related phrases
More for "choroid"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.