Anatomical term referring to the main part of the body excluding the head, neck, and limbs. Used in medical, fitness, and descriptive contexts.
I'm doing exercises to strengthen the muscles of the torso.
This diagram shows a cross-section of the human trunk.
Compound of 胴 (どう, 'trunk, torso') and 部 (ぶ, 'part, section'). The reading is on'yomi. The exact historical derivation is uncertain, but the word follows a common pattern for anatomical terms.