Definitions

from The Century Dictionary.

  • noun A worm that infests horses; the larva of an œstrus or a botfly, Gasterophilus equi.

from the GNU version of the Collaborative International Dictionary of English.

  • noun The larva of a botfly.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The larva of a botfly.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

horse +‎ worm

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