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seaweed

noun sea·weed \-ˌwēd\

: a type of plant that grows in the sea

Full Definition of SEAWEED

1
:  a mass or growth of marine plants
2
:  a plant growing in the sea; especially :  a marine alga (as a kelp)
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First Known Use of SEAWEED

1577
SEAWEEDS Defined for Kids

seaweed

noun sea·weed \ˈsē-ˌwēd\

Definition of SEAWEED for Kids

:  an alga (as a kelp) that grows in the sea

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