prepectus

noun

pre·​pectus

: the anterior marginal sclerite of the episternum of an insect

especially : such a sclerite of the mesepisternum of some hymenopterons

Word History

Etymology

New Latin, from pre- + pectus

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