Glass meaning : To apply fibreglass to. An amorphous solid, often transparent substance made by melting sand with a mixture of soda, potash and lime. A vessel from which one drinks, especially one made of glass, plastic, or similar translucent or semi-translucent material. (metonymically) The quantity of liquid contained in such a vessel. Glassware. A mirror. A magnifying glass or telescope. A barrier made of solid, transparent material. A barometer. (in names of species) Transparent or translucent. An hourglass. Lenses, considered collectively. To fit with glass; to glaze. To enclose in glass. To strike (someone), particularly in the face, with a drinking glass with the intent of causing injury. To bombard an area with such intensity (nuclear bomb, fusion bomb, etc) as to melt the landscape into glass. To view through an optical instrument such as binoculars. To smooth or polish (leather, etc.), by rubbing it with a glass burnisher. To reflect; to mirror. To make glassy. To become glassy.