a long stick with a crosspiece at the top, used as a support under the armpit by a lame person T字形拐杖 ■[in sing.](figurative)a thing used for support or reassurance (喻)支撑;依靠;精神支柱 they use the Internet as a crutch for their loneliness. 他们将因特网当作孤独时的精神寄托。
another term for crotch(of the body or a garment) 同(身体或衣服的)crotch
语源
Old English crycc, cryc, of Germanic origin; related to Dutch kruk and German Krücke