glass

GL'ASS, noun [Latin glastum; glesid, blueness. Greenness is usually named from vegetation or growing, as Latin viridis, from vireo.] 1. A hard, brittle, transparent, factitious substance, formed by fusing sand with fixed alkalies. In chimistry, a substance or mixture, earthy, saline or metallic, brought by fusion to the state of a hard, brittle, transparent mass, whose fracture is conchoidal. 2. A glass vessel of any kind; as a drinking glass 3. A mirror; a looking-glass. 4. A vessel to be filled with sand for measuring time; as an hour-glass. 5. The destined time of man's life. His glass is run. 6. The quantity of liquor that a glass vessel contains. Drink a glass of wine with me. 7. A vessel that shows the weight of the air. 8. A perspective glass; as an optic glass 9. The time which a glass runs, or in which it is exhausted of sand. The seamen's watch-glass is half an hour. We say, a ship fought three glasses. 10. Glasses, in the plural, spectacles. GL'ASS, adjective Made of glass; vitreous; as a glass bottle. GL'ASS, verb transitive To see as in a glass [Not used.] 1. To case in glass [Little used.] 2. To cover with glass; to glaze. [In the latter sense, glaze is generally used.]