seaweed

sea +‎ weed

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Seaweed.

seaweed (usually uncountable, plural seaweeds)

1. Any of numerous marine plants and algae, such as a kelp.
   • 1915 June, T[homas] S[tearns] Eliot, “The Love Song of J. Alfred Prufrock”, in Prufrock and Other Observations, London: The Egotist […], published 1917, →OCLC, page 16:

     We have lingered in the chambers of the sea / By sea-girls wreathed with seaweed red and brown / Till human voices wake us, and we drown.

   • 1947 January and February, O. S. Nock, “"The Aberdonian" in Wartime”, in Railway Magazine, page 8:

     The tide was out, and we drew up amid the strong bracing smell of seaweed, with gulls screeching, wheeling around, and gliding on the wind.

2. (by extension) Any of various fresh water plants and algae.
   • 1995, Dan McCosh, “Aliens among us”, in Popular Science, page 94:

     With light penetrating to the lake bottom, beds of seaweed flourished where little had grown before.

• sea vegetable

• seaweed dermatitis
• seaweeded
• seaweedy
• crispy seaweed