Lewis & Short

chŏrĭcus, a, um, adj., = χορικός, pertaining to the chorus: tibiae, Diom. 3, p. 489.
In metre: metrum, a kind of anapœstic verse, consisting of a hypercatalectic dipody, e. g. animus male fortis, Serv. Centim. p. 1821 P.