後あと足あしalso: こうきゃくあとあしFreq.FrequencyTop 100,000Meanings1nounhind legs; rear legsRefers to the back legs of an animal. The reading あとあし is the most common.犬いぬが後あと足あしで立たった。The dog stood on its hind legs.馬うまの後あと足あしは力ちから強づよい。A horse's hind legs are powerful.