English noun: genus Ulva | |||
1. | genus Ulva (animal) type genus of the family Ulvaceae; green seaweed having a thallus two cells thick: sea lettuce | ||
Synonyms | Ulva | ||
Broader (hypernym) | protoctist genus | ||
Member holonym | laver, sea lettuce | ||
Member meronym | family Ulvaceae, sea-lettuce family, Ulvaceae | ||