n.
Any of a large group of chiefly marine algae of the division Phaeophyta, including the rockweeds and the kelps, having brown and yellow pigments that mask the chlorophyll.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
