Botfly

noun

noun ·2 syllables ·Rare ·Advanced level

Definitions

Noun

1
One of several dipterous insects of the family Oestridae, the larvae of which are parasites on many animals, including humans.
2
stout-bodied hairy dipterous fly whose larvae are parasites on humans and other mammals wordnet

Synonyms

oestrus oestrus

Etymology

From bot + fly.

Related phrases

horse bot fly human botfly

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.