臀位分娩 túnwèifēnmiǎn breech delivery Origin Definitions Defs Strokes Stroke Words Sentences Sents 臀位 túnwèi breech presentation the birth position where the baby's buttocks or feet are delivered first rather than the head分娩 fēnmiǎn nounverb to give birth to give birth to a baby; (of mammals) to give birth to young; childbirth or delivery