sea hare
noun
: any of various large mollusks (especially genus Aplysia) that have an arched back and two anterior tentacles and have the shell much reduced or missing
Examples of sea hare in a Sentence
Recent Examples on the Web
During the kickoff event in La Jolla, volunteers documented crabs, lobsters, sea anemones, fish and even a sea hare, a large sea slug.
—
Ashley MacKin Solomon, San Diego Union-Tribune, 2 June 2025
The California sea hare usually is reddish with spots.
—Ashley MacKin Solomon, Mercury News, 15 May 2025
The ink confuses the predator’s sense of smell, allowing the sea hare to escape.
—Melissa Cristina Marquez, Forbes, 12 Jan. 2025
As a model system, the humble sea hare’s brain is relatively simple, composed of about 20,000 neurons that grow throughout its lifetime.
—Discover Magazine, 16 Mar. 2017
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Ashley MacKin Solomon, San Diego Union-Tribune, 2 June 2025
The California sea hare usually is reddish with spots.
—Ashley MacKin Solomon, Mercury News, 15 May 2025
The ink confuses the predator’s sense of smell, allowing the sea hare to escape.
—Melissa Cristina Marquez, Forbes, 12 Jan. 2025
As a model system, the humble sea hare’s brain is relatively simple, composed of about 20,000 neurons that grow throughout its lifetime.
—Discover Magazine, 16 Mar. 2017
Cite this Entry
“Sea hare.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sea%20hare. Accessed 11 Nov. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share