abdominal quadrantWiktionary 原文英/æbˈdɒm.ə.nl̩ ˈkwɒd.rn̩t/美/æbˈdɑm.ə.nl̩ ˈkwɑd.rn̩t/释义名词noun1(medicine) Any of four rough divisions of the abdominal cavity formed by placing the umbilicus at the center of the horizontal and vertical dividing lines.