/ ˈwɔːbl; NAmE ˈwɔːrbl/ verb
1.
( humorous ) to sing, especially in a high voice that is not very steady :
[ vn ]
He warbled his way through the song.
[also v , v speech ]
2.
[ v , vn ] ( of a bird ) to sing with rapidly changing notes
► war·ble noun
••
WORD ORIGIN
late Middle English (as a noun in the sense melody ): from Old Northern French werble (noun), werbler (verb), of Germanic origin; related to whirl .