Sepsidae

plural noun

Sep·​si·​dae

ˈsepsəˌdē

: a family of acalyptrate usually shiny black flies (superfamily Muscoidea) that develop in decaying organic matter or excrement

Word History

Etymology

New Latin, from Greek sēpsis decay + New Latin -idae

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