To see as in a glass.

Ahard, 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.

A glass vessel of any kind; as a drinking glass.

A mirror; a looking-glass.

A vessel to be filled with sand for measuring time; as an hour- glass.

The destined time of man’s life. His glass is run.

The quantity of liquor that a glass vessel contains. Drink a glass of wine with me.

A vessel that shows the weight of the air.

A perspective glass; as an optic glass.

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.

Glasses, in the plural.

Made of glass; vitreous; as a glass bottle.