JLPT N1
本隊
It’s the main, central group of an army or expedition, not the smaller advance or support units.
Readings
Noun
Main Body / Main Force
The primary, central part of an organized group, such as a military force, a convoy of vehicles, or an expedition team. It’s the core unit, distinct from smaller groups like an advance party (先遣隊) or a rear guard (後衛).
Example
本隊 は まだ ベースキャンプ に 到着して いません 。
The main body of the expedition has not reached base camp yet.
3 more examples in the
mobile app