n (uncountable) A solid, transparent substance made by melting sand with a mixture of soda, potash and lime.
n A vessel from which one drinks, especially one made of glass, plastic, or similar translucent or semi-translucent material.
v (transitive|colloquial) To strike (someone), particularly in the face, with a drinking glass with the intent of causing injury.
v To bombard an area with such intensity (nuclear bomb, fusion bomb, etc) as to melt the landscape into glass.