The Collaborative International Dictionary
Choreus
Choreus \Cho*re"us\, Choree \Cho*ree"\, n. [L. choreus, Gr. ?, prop. an adj. meaning belonging to a chorus; cf. F. chor['e]e.] (Anc. Pros.)
a trochee.
A tribrach.
Wiktionary
choreus
n. 1 a trochee (a foot of two syllables, the first long and the second short) 2 a tribrach