rockweed

rock·weed

R0280500 (rŏk′wēd′)n. Any of various brown algae of the order Fucales growing chiefly on rocks in coastal areas, such as bladder wrack or Ascophyllum nodosum.

rockweed

(ˈrɒkˌwiːd) n (Plants) any of various seaweeds that grow on rocks exposed at low tide

rock•weed

(ˈrɒkˌwid)

n. any of several coarse brown seaweeds, commonly of the genus Fucus, that grow on sea-washed rocks. [1620–30]

Thesaurus

Noun

1.

rockweed - coarse brown seaweed growing on rocks exposed at low tidebrown algae - algae having the chlorophyll masked by brown and yellow pigmentsfamily Fucaceae, Fucaceae - small family of brown algae: gulfweeds; rockweedsfucus - any member of the genus Fucusblack rockweed, bladder fucus, Fucus vesiculosus, bladderwrack, tang - a common rockweed used in preparing kelp and as manureAscophyllum nodosum, bladderwrack - similar to and found with black rockweed