Meaning of botfly

bot•fly

Pronunciation: (bot'flī"), [key]
— pl. -flies.
  1. any of several flies of the families Oestridae, Gasterophilidae, and Cuterebridae, the larvae of which are parasitic in the skin or other parts of various mammals.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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