Couplet

(n.) Two taken together; a pair or couple; especially two lines of verse that rhyme with each other.

Thesaurus Entries

Spenserian stanza, antistrophe, book, both, brace, burden, canto, chorus, couple, distich, double harness, doublet, duad, duet, duo, dyad, envoi, epode, heptastich, hexastich, line, match, mates, measure, monostich, octastich, octave, octet, ottava rima, pair, pentastich, quatrain, refrain, rhyme royal, septet, sestet, set of two, sextet, span, stanza, stave, strain, strophe, syllable, team, tercet, terza rima, tetrastich, the two, triplet, tristich, twain, two, twosome, verse, yoke