Mytilacea

plural noun

Myt·​i·​la·​cea

ˌmitəˈlāshēə

: a suborder of Filibranchia including the family Mytilidae and sometimes related families (as Pteriidae)

mytilacean

¦⸗⸗¦lāshən

adjective or noun

mytilaceous

-shəs

adjective

Word History

Etymology

New Latin, from Mytilus + -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