A lumpy abscess under the hide of domestic mammals caused by larvae of a botfly or warble fly.
Small tumor of horse, especially under saddle, or caused by warble fly. warble fly, fly with larvae living under skin of cattle, etc.

1. A melodious succession of low pleasing sounds
2. A musical trill
3. The action of warbling

To sing with trills; SYN. trill, quaver.