Rockweed

noun

Definitions

Noun
  1. 1
    Ascophyllum nodosum, a seaweed also known as knotted wrack. countable, uncountable
  2. 2
    coarse brown seaweed growing on rocks exposed at low tide wordnet
  3. 3
    Fucus vesiculosus, a similar seaweed also known as bladderwrack. countable, uncountable

Etymology

From rock + weed.

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