HYALOID Meaning of HYALOID in English adj. Anat. glassy. Phrases and idioms: hyaloid membrane a thin transparent membrane enveloping the vitreous humour of the eye. Etymology: F hyalo{iuml}de f. LL hyaloides f. Gk hualoeides (as HYALITE) Oxford English vocab. Оксфордский английский словарь. 2012