barrel sponge

noun

: any of various large, usually cylindrical sponges (genus Xestospongia of the class Demospongiae) found especially on tropical coral reefs
I pass over the largest, healthiest barrel sponge I've ever seen—it seems plausible that I could fit inside it …Scott Edler, Washington Post, 21 Oct. 2012

Word History

First Known Use

1979, in the meaning defined above

Time Traveler
The first known use of barrel sponge was in 1979

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Cite this Entry

“Barrel sponge.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/barrel%20sponge. Accessed 24 Apr. 2024.

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