/ˈsəʊ.əs/, /ˈsoʊ.əs/, /ˈsoʊ.æs/
OriginFrom Ancient Greek ψόας (psóas, “of the muscle of the loins”), genitive singular of ψόα (psóa).
- Either of two muscles, the psoas major and psoas minor, involved in flexion of the trunk.
Formspsoae(plural) · psoai(plural) · psoas(plural) · psoases(plural)