chlamys n collective term for the outer parts of a flower consisting of the calyx and corolla and enclosing the stamens and pistils n a short mantle or cape fastened at the shoulder; worn by men in ancient Greece Usage(s) Creaky-Greeky Raymond Duncan (expatriate Paris-dwelling brother of the late Isadora Duncan), who so admires Attic culture that he wears a homespun chlamys (tunic) and sandals in . Synonym(s) perianth floral envelope perigone perigonium