Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† 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.