noun
glasses and plates; cups and dishes
Refers to drinking vessels and plates collectively, often in the context of a table setting or banquet.
宴会の席には杯盤が整然と並べられていた。
At the banquet, glasses and plates were neatly arranged.
Compound of 杯 (cup, glass) and 盤 (plate, tray). The exact historical derivation is uncertain, but the word is a straightforward combination of these two kanji meanings.