English

Noun

knotted wrack ‎(plural knotted wracks)

1. A species of brown algae, Ascophyllum nodosum; a common seaweed of the northern Atlantic Ocean.

Synonyms

• rockweed, Norwegian kelp, knotted kelp, egg wrack

Usage notes

• Also bladderwrack (Fucus vesiculosus) is commonly known as "rockweed".

Translations