sea lettuce

noun

Definition of sea lettuce 

: any of a genus (Ulva) of marine green algae with broad fronds sometimes eaten as salad or used in soups

First Known Use of sea lettuce

1668, in the meaning defined above

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Dictionary Entries near sea lettuce

sealery

sealess

sea letter

sea lettuce

sea level

seal fishery

sealflower

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The first known use of sea lettuce was in 1668

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