sea slug

noun

1
2
: a naked marine gastropod
specifically : nudibranch

Examples of sea slug in a Sentence

Recent Examples on the Web
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The specimen is considered a sea slug and spends most of its life floating upside-down at the surface and staying afloat by storing air bubbles in its stomach, the organization wrote. Greg Wehner, Fox News, 25 Sep. 2024 Engineers have used cells from sea slugs, jellyfish, and rats to create a plethora of simultaneously fascinating and dystopian-looking machines capable of crawling, swimming and walking. Mack Degeurin, Popular Science, 5 Sep. 2024 The otters prey on crabs, which in turn feed on grazing invertebrates such as sea slugs that clean algae from seagrasses. Michael Heithaus, Discover Magazine, 5 Aug. 2024 The new species of sea slug was found off the southern coast of Iran in the Persian Gulf. Irene Wright, Miami Herald, 24 July 2024 See all Example Sentences for sea slug 

Word History

First Known Use

1779, in the meaning defined at sense 1

Time Traveler
The first known use of sea slug was in 1779

Dictionary Entries Near sea slug

Cite this Entry

“Sea slug.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sea%20slug. Accessed 30 Nov. 2024.

Kids Definition

sea slug

noun
1
2
: any of several marine mollusks that have no shell

More from Merriam-Webster on sea slug

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