A container for holding liquids while drinking(noun)
WordNet. Princeton University. 2010.
Use "drinking glass" in a sentence
"She smiled and nodded at how clean I kept the place and stood still and admired any attempts I made at decoration—even how I might arrange on the pantry counter the single celery-colored drinking glass and plate I had picked up for an even dollar at Zebo’s dusty little secondhand store."
"Place a drinking glass in the center of the circle and trace it with a medium-point brown marker."