Find the word definition

The Collaborative International Dictionary
Burrel fly

Burrel fly \Bur"rel fly`\ [From its reddish color. See 1st Burrel.] (Zo["o]l.) The botfly or gadfly of cattle ( Hypoderma bovis). See Gadfly.

Wiktionary
burrel fly

n. The botfly or gadfly of cattle ((taxlink Hypoderma bovis species)).