gonapophysis

noun

gon·​apophysis

¦gän +

plural gonapophyses

: an organ or process of the anal region of an insect that serves in copulation, oviposition, or stinging

—used chiefly of such structures when paired and regarded as modified appendages

Word History

Etymology

New Latin, from gon- + apophysis

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