metatarsus valgus

met·a·tar·sus val·gus

(met'ă-tahr'sŭs val'gŭs) Fixed deformity in which the forepart of the foot is rotated on the long axis of the foot, so that the plantar surface faces away from the midline of the body, whereas the heel remains straight.
Synonym(s): duck walk, toeing out. [meta- + G. tarsos, flat surface, sole, + L. valgus, bent]