laminaria

From the genus name.

laminaria (plural laminarias)

1. Any of the genus Laminaria of brown algae.
   • 1955, Rachel Carson, The Edge of the Sea:

     The stands of sea tangles and long-stalked laminarias are, in their way, an Atlantic counterpart of the great submarine jungles of the Pacific, where the kelps rise like giant forest trees, 150 feet from the floor of the sea to the surface.

laminaria f (plural laminarie)

1. oarweed, kelp

laminaria

1. first-person singular (eu) conditional of laminar
2. third-person singular (ele and ela, also used with você and others) conditional of laminar