Illustration of sea cucumber
sea cucumber
noun
: any of a class (Holothurioidea) of echinoderms having a tough muscular elongated body with tentacles surrounding the mouth
called also holothurian
Examples of sea cucumber in a Sentence
Recent Examples on the Web
Scientists hoping to stop the illicit trade of marine wildlife have a new tool to spot seahorses, shark fins and sea cucumbers hidden in luggage.
—
Jackie Flynn Mogensen, Scientific American, 7 June 2026
In the surrounding abyss, scientists have found mollusks, snails, worms, sea cucumbers, isopods, starfish and more.
—Harry Stevens, New York Times, 3 June 2026
Now, though, scientists have discovered bits of tissue removed from a species of sea cucumber called Psolus fabricii can keep on living indefinitely if they’re left in ordinary seawater.
—Jacek Krywko, ArsTechnica, 29 May 2026
The sea cucumber tissue could also be useful for ocean health research, by testing rising temperatures or pathogens in seawater.
—Jacopo Prisco, CNN Money, 28 May 2026
See All Example Sentences for sea cucumber
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Jackie Flynn Mogensen, Scientific American, 7 June 2026
In the surrounding abyss, scientists have found mollusks, snails, worms, sea cucumbers, isopods, starfish and more.
—Harry Stevens, New York Times, 3 June 2026
Now, though, scientists have discovered bits of tissue removed from a species of sea cucumber called Psolus fabricii can keep on living indefinitely if they’re left in ordinary seawater.
—Jacek Krywko, ArsTechnica, 29 May 2026
The sea cucumber tissue could also be useful for ocean health research, by testing rising temperatures or pathogens in seawater.
—Jacopo Prisco, CNN Money, 28 May 2026
See All Example Sentences for sea cucumber
Cite this Entry
“Sea cucumber.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sea%20cucumber. Accessed 10 Jun. 2026.
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