choliambus
[ koh-lee-am-buh s ]
/ ˌkoʊ liˈæm bəs /
noun, plural cho·li·am·bi [koh-lee-am-bahy] /ˌkoʊ liˈæm baɪ/. Prosody.
a line of iambic meter with a spondee or trochee replacing the last foot.