large cup; large sake cup
Refers to a physically large cup, often for sake or other drinks. Not a standard size designation; simply a big cup.
彼は大杯で日本酒を飲んだ。
He drank sake from a large cup.
Variant using 盃, an older form of 杯. Rarely used in modern writing.
Compound of 大 (large) and 杯 (cup/sake cup).