[co.hort] n [MF & L; MF cohorte, fr. L cohort-, cohors--more at court] (15c) 1 a: one of
10. divisions of an ancient Roman legion b: a group of warriors or soldiers c: band, group d: a group of individuals having a statistical factor (as age or class membership) in common in a demographic study "a ~ of premedical students"
2: companion, colleague "a few of their ... ~s decided to form a company --Burt Hochberg"