大だい部ぶ隊たい

noun

battalion; large force

Refers to a large military unit, typically a battalion or a sizable force. Can also be used figuratively for a large group of people working together.

• 敵てきの大だい部ぶ隊たいが国こっ境きょうに集しゅう結けつしている。

  A large enemy force is massing at the border.

• 彼かれは大だい部ぶ隊たいを率ひきいて前ぜん線せんに向むかった。

  He led a battalion to the front line.