The trunk or torso is an anatomical term for the central or axial part of the human body , from which extend the neck and the limbs. It comprises of the thorax, abdomen, pelvis and the back regions. The thorax is also referred to as the upper trunk or upper torso , while abdomen and pelvis comprise the lower trunk or lower torso . Definition of torso noun in Oxford Advanced Learner's Dictionary. Meaning , pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Torso is the human body excluding the head and limbs, or a statue of a nude human trunk. Learn more about the word origin, synonyms, antonyms, and translations of torso in different languages. Torso is the main part of the human body without the head, arms, or legs, or a statue representing this. Learn more about the word, its synonyms, and how to use it in sentences with Cambridge Dictionary.