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