HYALOID Meaning of HYALOID in English adj. Anat. glassy. hyaloid membrane a thin transparent membrane enveloping the vitreous humour of the eye. [ F hyaloïde f. LL hyaloides f. Gk hualoeides (as HYALITE) ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012