三さん組くみ

noun

set of three; three sets; three classes

Used for counting groups, sets, or classes of three. Common in school contexts (e.g., class 3) or when grouping items.

• この学がっ校こうの三さん組くみはとても活かっ発ぱつだ。

  Class 3 at this school is very lively.

• トランプを三さん組くみ買かってきた。

  I bought three packs of playing cards.