[loin] n [ME loyne, fr. MF loigne, fr. (assumed) VL lumbea, fr. L lumbus; akin to OE lendenu loins, OCS ledvije] (14c) 1 a: the part of a human being or quadruped on each side of the spinal column between the hipbone and the false ribs b: a cut of meat comprising this part of one or both sides of a carcass with the adjoining half of the vertebrae included but without the flank
2. pl a: the upper and lower abdominal regions and the region about the hips b (1): the pubic region (2): the generative organs