sea lettuce


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

Example Sentences

Recent Examples on the Web In addition to varieties like nori or sea lettuce that can be farmed for humans to eat, seaweed can be used to make bioplastic as well as biofuel. Tara Duggan, San Francisco Chronicle, 2 Jan. 2022 Afterward, the pair stopped on the riverbank to complete another age-old ritual of Breton living — harvesting some of the region’s abundant sea lettuce. New York Times, 21 July 2021 Green sea vegetables, such as sea lettuce, red sea vegetables, such as nori and dulse, and brown sea vegetables, such as arame, hijiki, kombu and wakame have become all the rage. Daphne Ewing-chow, Forbes, 1 Mar. 2021 Some of the more popular kinds include sea lettuce, Irish moss, bladderwrack, dulse, and feather boa kelp. Popular Science, 19 Oct. 2020 The beach was dotted with signs of life: sea lettuce, oyster shells, horseshoe crab remains, a dark green seaweed known as dead man’s fingers. Somini Sengupta, New York Times, 5 Mar. 2020 Alaska’s first kelp farm permits were issued in 2016 at Kodiak, and now 21 growers have added dulce, nori and sea lettuce to their macroalgae startup menus. Anchorage Daily News, 10 Dec. 2019 Now, besides kelp, 21 Alaska growers also have added dulce, nori and sea lettuce to their macroalgae or shellfish menus. Anchorage Daily News, 27 Aug. 2019 The bun was enriched with chlorella, a microalga, and the sauce laced with sea lettuce, another common algae. Marta Zaraska, Discover Magazine, 13 Mar. 2019 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sea lettuce.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1668, in the meaning defined above

Time Traveler
The first known use of sea lettuce was in 1668

Dictionary Entries Near sea lettuce

Cite this Entry

“Sea lettuce.” Dictionary, Merriam-Webster, Accessed 29 Jan. 2023.

Kids Definition

sea lettuce

: any of several marine green algae that are thin and edible

called also ulva

More from Merriam-Webster on sea lettuce

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