The Collaborative International Dictionary of English v.0.48:
Choric \Cho"ric\, a. [L. choricus, Gr. ?.] Of or pertaining to a chorus. [1913 Webster] I remember a choric ode in the Hecuba. --Coleridge. [1913 Webster]WordNet (r) 3.0 (2006):
choric adj 1: relating to or written for or in the style of a Greek chorus; "a choric Greek tragedy"