Dictionary.com
definitions
  • synonyms

sea lettuce

See more synonyms for sea lettuce on Thesaurus.com
noun
  1. any seaweed of the genus Ulva, having large leaflike blades.
Show More

Origin of sea lettuce

First recorded in 1660–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for sea lettuce

Historical Examples

  • There is sea-lettuce in the water, so there must be enough air.

    Harper's Young People, September 21, 1880

    Various

  • Ulva, or sea-lettuce, is to be found in abundance in all our small bays and inlets at low tide.


British Dictionary definitions for sea lettuce

sea lettuce

noun
  1. any of various green seaweeds of the genus Ulva, which have edible wavy translucent fronds
Show More
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012