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1. Sing or play with trills, alternating with the half note above or below
   - trill, quaver
    
2. Sing by changing register; sing by yodeling
   - yodel, descant, yodle

1. A lumpy abscess under the hide of domestic mammals caused by larvae of a botfly or warble fly
    
2. An act or instance of warbling

Derived forms: warbled, warbles, warbling

Type of: animal disease, sing

Encyclopedia: Warble