Definitions
1.NounAny of several edible seaweeds of the genus Ulva.
2.NounSimilar seaweed species of other genera:
Monostroma spp., also known as the slender sea lettuce, a kind of algae.
3.NounMonostroma spp., also known as the slender sea lettuce, a kind of algae.
4.NounScaevola taccada, also known as the beach cabbage, a terrestrial flowering plant species that is native to coastal regions of the Indo-Pacific.
5.NounDudleya caespitosa, also known as the sand lettuce, a terrestrial flowering plant species that is endemic to coastal areas of California