epode

Concise Oxford English Dictionary © 2008 Oxford University Press:
epode /ˈɛpəʊd/

▶noun

• 1 a form of lyric poem written in couplets, in which a long line is followed by a shorter one.

• 2 the third section of an ancient Greek choral ode, or of one division of such an ode.

– origin C17: from Fr. épode, or via L. epodos, from Gk epōidos, from epi ‘upon’ + ōidē (see ode).