Larvacea

plural noun

Lar·​va·​cea

lärˈvāshēə

: a class of small, free-swimming pelagic tunicates constituting Appendicularia and related genera, having a permanent caudal appendage supported by a notochord, being usually hermaphroditic, and lacking a metamorphosis

Word History

Etymology

New Latin, from larva + -acea

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