| sea lettuce n. Any of several green algae of the genus Ulva, having a membranous leaflike, irregularly shaped thallus sometimes used in salads. |
sea lettuce
n
(Life Sciences & Allied Applications / Plants) any of various green seaweeds of the genus Ulva, which have edible wavy translucent fronds
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  sea lettuce - seaweed with edible translucent crinkly green frondschlorophyte, green algae - algae that are clear green in color; often growing on wet ricks or damp wood or the surface of stagnant water genus Ulva, Ulva - type genus of the family Ulvaceae; green seaweed having a thallus two cells thick: sea lettuce |
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