refrain

US /rɪˈfreɪn/
UK /rɪˈfreɪn/
"refrain" picture
1.

stop oneself from doing something

:
Please refrain from smoking in this area.
She could not refrain from smiling.
1.

a repeated line or set of lines in a poem or song

:
The choir sang the first verse and then the familiar refrain.
The song's catchy refrain made it popular.