Definify.com

Webster 1913 Edition

Rockweed

Rock′weedˊ

,

Noun.

(Bot.)

Any coarse seaweed growing on sea-washed rocks, especially Fucus.

Definition 2024

rockweed

rockweed

English

Noun

rockweed ‎(plural rockweeds)

Ascophyllum nodosum, a seaweed also known as knotted wrack.
Fucus vesiculosus, a similar seaweed also known as bladderwrack.

Hypernyms

(both): brown alga

Translations

Ascophyllum nodosum — see knotted wrack

Fucus vesiculosus — see bladderwrack