An Alcaic Stanza is a formal verse structure belonging to the class of classical strophic forms, distinguished by its specific arrangement of four lines in Alcaic meter—typically composed of two Alcaic hendecasyllables followed by an Alcaic enneasyllable and a fifth-line Alcaic hendecasyllable—originating in the lyric poetry of the ancient Greek poet Alcaeus and later adapted in Latin and modern poetic traditions.