下か肢し帯たいかしたいMeanings1nounpelvic girdleAnatomical term referring to the bony structure connecting the lower limbs to the axial skeleton.下か肢し帯たいは寛かん骨こつと仙せん骨こつから構こう成せいされる。The pelvic girdle is composed of the hip bones and the sacrum.