red seaweed

noun

any marine red alga, especially one of the genus Polysiphonia, having a reddish, much branched thallus.

Origin of red seaweed

First recorded in 1750–60

Words nearby red seaweed

red salmon, red sandalwood, red scare, red sea, red sea, parting of the, red seaweed, red setter, red shank, red shanks, red shift, red sindhi

British Dictionary definitions for red seaweed

red seaweed

noun

another term for red algae