seaweeds is a form of:

Seaweed



noun
1.
(any sea plant or plants; esp., any alga, growing in the sea or on the rocks washed by the tide) រុក្ខជាតិដុះក្នុងសមុទ្រជំពូកសារាយ
ENGLISH MEANING
noun
1.
Popularly, any plant or plants growing in the sea.
2.
Any marine plant of the class Algae, as kelp, dulse, Fucus, Ulva, etc.