A swelling or lump under the skin caused by the larvae of certain flies, especially in cattle. The veterinarian examined the cow and found a warble on its back.
A trilling or quavering sound, especially a musical one. The bird's warble was a delightful addition to the morning chorus.
The larva of a warble fly (family Oestridae), which develops beneath the skin of mammals. The farmer extracted several warbles from the hides of his cows.