Main Entry:

lam·i·nar·ia

Pronunciation:

\ˌla-mə-ˈner-ē-ə\

Function:

noun

Etymology:

New Latin, from Latin lamina

Date:

1848

: any of a genus (Laminaria) of large chiefly perennial kelps with an unbranched cylindrical or flattened stipe and a smooth or convoluted blade ; broadly : any of various related kelps (order Laminariales)

— lam·i·nar·i·an \-ē-ən\ adjective or noun