Ulva
Last Updated: January 2, 2026 at 12:30 PM
Scrabble:7 ptsWWF:10 pts4 letters
Definition of Ulva
noun
- A genus of algæ, typical of the order Ulvaceæ, having a flat membranaceous bright-green frond. U. latissima and U. Lactuca are sometimes eaten. See green laver (under laver), sea-lettuce (under lettuce), and Enteromorpha.
- type genus of the family Ulvaceae; green seaweed having a thallus two cells thick: sea lettuce