Webster's Revised Unabridged Dictionary · 1913

Hyaloid

Hyaloid , adjective

[Greek {not transcribed} glassy, transparent; "y`alos glass + {not transcribed} appearance: compare French hyaloide.]

(Anatomy) Resembling glass; vitriform; transparent; hyaline; as, the hyaloid membrane, a very delicate membrane inclosing the vitreous humor of the eye.