noun
sake served in a tumbler; glass of sake
Refers to sake poured into a simple glass or tumbler, often associated with casual drinking at home or in inexpensive bars. Compare カップ酒, which typically means a single-serving cup of sake.
See also: カップ酒
居酒屋でコップ酒を頼んだ。
I ordered a glass of sake at the izakaya.
父は晩酌にコップ酒を一杯だけ飲む。
My father drinks just one glass of sake with his evening meal.