Definitions from Wiktionary ( )

▸ noun:  (usually uncountable) An amorphous solid, often transparent substance, usually made by melting silica sand with various additives (for most purposes, a mixture of soda, potash and lime is added).
▸ noun:  (countable, uncountable, by extension) Any amorphous solid (one without a regular crystal lattice).
▸ noun:  (countable) A vessel from which one drinks, especially one made of glass, plastic, or similar translucent or semi-translucent material.
▸ noun:  (metonymically) The quantity of liquid contained in such a vessel.
▸ noun:  (uncountable) Glassware.
▸ noun:  A mirror.
▸ noun:  A magnifying glass or telescope.
▸ noun:  (sports) A barrier made of solid, transparent material.
▸ noun:  (basketball, colloquial) The backboard.
▸ noun:  (ice hockey) The clear, protective screen surrounding a hockey rink.
▸ noun:  A barometer.
▸ noun:  (attributive, in names of species) Transparent or translucent.
▸ noun:  (obsolete) An hourglass.
▸ noun:  (uncountable, photography, informal) Lenses, considered collectively.
▸ noun:  (now rare) A pane of glass; a window (especially of a coach or similar vehicle).
▸ verb:  (transitive) To fit with glass; to glaze.
▸ verb:  (transitive) To enclose in glass.
▸ verb:  (transitive, UK, colloquial) To strike (someone), particularly in the face, with a drinking glass with the intent of causing injury.
▸ verb:  (transitive, science fiction) To bombard an area with such intensity (by means of a nuclear bomb, fusion bomb, etc) as to melt the landscape into glass.
▸ verb:  (transitive) To view through an optical instrument such as binoculars.
▸ verb:  (transitive) To smooth or polish (leather, etc.), by rubbing it with a glass burnisher.
▸ verb:  (archaic, reflexive) To reflect; to mirror.
▸ verb:  (transitive) To make glassy.
▸ verb:  (intransitive) To become glassy.
▸ noun:  A surname.
▸ verb:  (transitive) Clipping of fibreglass. To fit, cover, fill, or build, with fibreglass-reinforced resin composite (fiberglass). [To apply fibreglass to.]

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