■ noun
1》 a hard, brittle substance, typically transparent or translucent, made by fusing sand with soda and lime.
↘ornaments and other articles made from ~.
↘greenhouses or cold frames considered collectively.
2》 a drinking container made of ~.
3》 a lens or optical instrument, in particular a monocle or a magnifying lens.
4》 chiefly Brit. a mirror.
■ verb
1》 cover or enclose with ~.
2》 Brit. informal hit in the face with a beer ~.
3》 scan (one's surroundings) with binoculars.
Derivatives
~ful noun ( plural ~fuls ).
~less adjective
~-like adjective
Origin
OE glæs , of Gmc origin.