後こう肢しこうしFreq.FrequencyTop 100,000Meanings1nounhindlimb; hind legAnatomical term for the back leg of an animal. Used in biology, veterinary contexts, and everyday descriptions of animals.カエルの後こう肢しは跳ちょう躍やくに適てきしている。A frog's hind legs are suited for jumping.