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.]