sea lettuce

American

noun

any seaweed of the genus Ulva, having large leaflike blades.

sea lettuce British

noun

any of various green seaweeds of the genus Ulva, which have edible wavy translucent fronds

"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

Etymology

Origin of sea lettuce

First recorded in 1660–70

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The bar, made with sea lettuce from Monterey Bay Seaweeds and salt from Big Sur Salt, is vegan.

From New York Times • May 2, 2022

A study from False Bay, in Cape Town, South Africa found the anti-inflammatory drug diclofenac in sea lettuce, an edible seaweed.

From Salon • Aug. 17, 2021

Eating sea lettuce or injecting disinfectant won’t prevent you from getting COVID-19.

From Nature • Jun. 16, 2020

To make a truly original fried chicken, Young took leftover fermented chili pulp from their house-made hot sauce and added the bar’s spent citrus peel, burnt coriander, bay leaf, and sea lettuce.

From Seattle Times • Feb. 25, 2019

As soon as we were done, Mouse crept out of the grasses and attacked a small hole in the soil, dragging out a strand of sea lettuce so she could properly subdue it.

From "Beyond the Bright Sea" by Lauren Wolk

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023