Lewis Short
chŏrēus | -īus (noun M) : or , , , = χορεῖος (sc. πούς, pes), in verse
* A foot, later called trochaeus,—˘, Cic. Or. 63, 212; Quint. 9, 4, 80; 9, 4, 82; 9, 4, 96; Marc. Vict. p. 2487 P.
* In later metrists, for the earlier tribrachys, ˘˘˘, Diom. pp. 261 and 475 P.
Charlton T. Lewis, Charles Short, A Latin Dictionary