A chorus is part of a song or poem that is repeated following each verse. The Chorus of a song or poem is the part where you repeat a verse or a phrase. There are various patterns of repeat. The example of a song with a chorus below has a repeated verse and then a chorus. The example of a poem has just a repeated chorus.
A chorus is used in poetry to create different dramatic effects and to create more drama within a poem.
Why don't you try writing a poem using a chorus for one of our Poetry Competitions?