noun
drinking glass; glass
A vessel for drinking, especially one made of glass; common in compounds such as ワイングラス as well as standalone グラス.
グラスに水を注いだ。
I poured water into the glass.
ワイングラスを二つ出してください。
Please bring out two wine glasses.
noun
glass material
Refers to glass as a material, but ガラス is the usual everyday word. グラス is often seen in compounds or product terms such as グラスファイバー.
See also: ガラス
グラスファイバーは断熱材にも使われる。
Glass fiber is also used as insulation.
noun
glasses; eyewear
Not the usual standalone word for eyeglasses; メガネ is normally used. This sense is most familiar in compounds such as サングラス.
強い日差しなのでサングラスをかけた。
The sunlight was strong, so I put on sunglasses.