noun
glass
glahs
noun
1
A hard, usually transparent material made by melting sand with other minerals, used for windows, bottles, and similar items.
"The window was made of thick, reinforced glass."
"He accidentally broke a glass panel in the door."
2
A drinking vessel made of this material, or the amount of liquid it holds.
"She poured herself a glass of water."
"He had two glasses of wine with dinner."
3
A mirror.
"She checked her hair in the glass before leaving."
How to Use Glass
Learner’s notesIn plain EnglishThe see-through material windows and drinking vessels are made of, or a container/drink made of it.
Common pairings
a glass of water
stained glass
broken glass
Word Forms
glasses plural
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The window was made of thick, reinforced _____.
Etymology
From Old English glæs, going back to a Germanic root possibly related to "glow" or "shine" — glass was named for the way it reflects and catches light.