leucon

noun

leu·​con

ˈlüˌkän

plural -s

: a sponge or sponge larva having a complex structure in which the flagellated layer is restricted to numerous small interstitial chambers intercalated between the incurrent and excurrent canals and the paragaster is reduced or lacking compare ascon, sycon

leuconoid

ˈlükəˌnȯid

adjective or noun

Word History

Etymology

New Latin, from Greek leukon, neuter of leukos white

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