The Collaborative International Dictionary of English v.0.48:
Choliamb \Cho"li*amb\, Choliambic \Cho`li*am"bic\, n. [L. choliambus, Gr. ?; ? lame + ? an iambus.] (Pros.) A verse having an iambus in the fifth place, and a spondee in the sixth or last. [1913 Webster] Cholic