sheep fly

noun

: any of several flies (superfamily Muscoidea) having larvae that live in the wool of sheep and feed on the flesh beneath and are particularly destructive in arid regions

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now