sustentor

noun

sus·​ten·​tor

səˈstentə(r)

plural -s

: one of two hooks on the posterior part of a butterfly pupa forming the cremaster

Word History

Etymology

New Latin, from Latin sustentus (past participle of sustinere to hold up) + -or

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