大だい腿たいだいたいFreq.FrequencyTop 50,000Meanings1nounthighanatomyAnatomical term for the upper leg between the hip and knee. Used in medical, sports, and formal contexts.大だい腿たいの筋きん肉にくを鍛きたえる運うん動どうをしています。I do exercises to strengthen my thigh muscles.大だい腿たい骨こつは人じん体たいで最もっとも長ながい骨ほねです。The femur is the longest bone in the human body.