1) thigh, side, loin, base

1a) thigh

1a1) outside of thigh (where sword was worn)

1a2) loins (as the seat of procreative power)

1b) side (flank) (of object)

1c) base

Root √ירך: ירך (√ of foll.; meaning dubious).

יָרֵךְ n.f thigh loin side base .