Word.ws English Dictionary

rockweed

rockweed noun: ascophyllum nodosum, a seaweed also known as knotted wrack.

Noun

rockweed (countable and uncountable, plural rockweeds)

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

Forms of rockweed

pluralrockweeds

Origin of rockweed

From rock + weed.

Questions about rockweed

What does rockweed mean?
Rockweed means ascophyllum nodosum, a seaweed also known as knotted wrack.
What part of speech is rockweed?
Rockweed is a noun.
What is the plural of rockweed?
The plural of rockweed is rockweeds.

Words near rockweed in the dictionary

  1. rockwarblers
  2. rockward
  3. rockwards
  4. rockwater
  5. rockwaters
  6. rockweed
  7. rockweeds
  8. Rockwell
  9. Rockwell City
  10. Rockwell hardness
  11. Rockwell hardnesses

Source and license

Adapted from Wiktionary: rockweed (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “rockweed.” Word.ws, https://word.ws/rockweed. Based on Wiktionary, CC BY-SA 4.0.