Found 2 items, similar to PSOAS.
English → English (WordNet) Definition: psoas psoas n : either of two muscles of the abdomen and pelvis that flex the trunk and rotate the thigh
English → English (gcide) Definition: Psoas Psoas \Pso"as\, n. [Gr. ? a muscle of the loin: cf. f. psoas.] (Anat.) An internal muscle arising from the lumbar vertebr[ae] and inserted into the femur. In man there are usually two on each side, and the larger one, or great psoas, forms a part of the iliopsoas. [1913 Webster]