The ordinary anatomical word for the upper part of the leg, between the hip and the knee.
My thighs became sore from walking for a long time.
太ももにけがをして、しばらく走れなかった。
I injured my thigh and could not run for a while.
Colloquial extension for the buttocks or bum area. In standard modern usage, お尻 is the normal word; 太もも is chiefly understood as 'thigh' unless context makes this colloquial sense clear.
くだけた会話では、お尻を指して太ももと言うこともある。
In casual conversation, 太もも is sometimes used to refer to the buttocks.
I'm strengthening my thighs with squats.
My thighs hurt from running too much.
I fell and got a bruise on my thigh.
Katakana search-only form; not the usual spelling in ordinary prose.