1 Usually, refrain from. keep (from), forbear, abstain (from), eschew, avoid:
Whatever you do, refrain from whistling on board his boat.
2 stop, cease, give up, discontinue, desist, quit, leave off, renounce:
You must refrain from calling the headmaster, 'Pops', even if he is your father.
melody, song, tune, chorus, burden, reprise:
It was one of those long boring folk songs with a refrain that we were all supposed to join in.