Stan·za n.; pl. Stanzas
1. A number of lines or verses forming a division of a song or poem, and agreeing in meter, rhyme, number of lines, etc., with other divisions; a part of a poem, ordinarily containing every variation of measure in that poem; a combination or arrangement of lines usually recurring, whether like or unlike, in measure.
Horace confines himself strictly to one sort of verse, or stanza, in every ode. --Dryden.
2. Arch. An apartment or division in a building; a room or chamber.
n : a fixed number of lines of verse forming a unit of a poem