1.
torso, trunk, body
The main part of the human or animal body excluding the head, arms, and legs.
胴体をひねる運動をした。
I did exercises that twist the torso.
この彫刻は胴体だけで頭がない。
This sculpture has only a torso and no head.
選手は胴体の筋肉を鍛えるトレーニングを続けている。
The athlete continues training to strengthen the muscles of the torso.
2.
fuselage, body (of a vehicle or aircraft)
The main body of an aircraft, ship, or other vehicle, excluding wings, tail, and other appendages.
飛行機の胴体に亀裂が見つかった。
A crack was found in the fuselage of the airplane.
この機体は胴体が広く、座席が横に九つ並んでいる。
This aircraft has a wide fuselage with nine seats across.
胴体着陸とは車輪を出さずに着陸することだ。
A belly landing is landing without deploying the landing gear.
USAGE:
For the body sense, 胴体 refers specifically to the trunk — the core body minus limbs and head. This distinguishes it from 体 (the whole body) and 胴 (the torso in martial arts or armor contexts).
For aircraft, 胴体 is the standard term for the fuselage, parallel to English aviation terminology.
COMMON COLLOCATIONS:
- 胴体着陸: belly landing
- 胴体をひねる: to twist the torso
- 胴体の筋肉: torso muscles
- 飛行機の胴体: airplane fuselage