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.
I poured water into the glass.
Please bring out two wine glasses.
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
Glass fiber is also used as insulation.
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.
The sunlight was strong, so I put on sunglasses.
He poured wine into the glass.
The two of them chatted while sipping from their glasses.
Everyone clinked their glasses together for a toast.
The bartender put ice in the glass and poured the whiskey.
glass wool; fiberglass insulation