1. (verb)warble a lumpy abscess under the hide of domestic mammals caused by larvae of a botfly or warble fly
2. (verb)warble, trill, quaver sing or play with trills, alternating with the half note above or below Synonyms: trill, waver, quaver, yodel, warble, descant
3. (verb)yodel, warble, descant sing by changing register; sing by yodeling Synonyms: trill, quaver, descant, yodel, warble