Definition of "Glass" :

noun: a small refracting telescope

noun: a container made of glass for holding liquids while drinking

noun: glassware collectively

"She collected old glass."

noun: a mirror; usually a ladies' dressing mirror

noun: an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant

noun: the quantity a glass will hold

noun: a brittle transparent solid with irregular atomic structure

verb: become glassy or take on a glass-like appearance

verb: put in a glass container

verb: enclose with glass

"Glass in a porch."

verb: scan (game in the forest) with binoculars

verb: furnish with glass

"Glass the windows."