CO′HORT (Lat. cohors, originally meaning inclosure, connected with Gk. χορτός, chortos, garden, Olr. gort, sedge, Ger. Garten, garden, AS. geard, Engl. yard). A portion of a legion in the ancient Roman armies. Usually there were 600 men to a cohort, and ten cohorts to a legion (q.v.). See Centurion.