barrel sponge

noun

Definition of barrel sponge

: 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

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First Known Use of barrel sponge

1979, in the meaning defined above

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Time Traveler for barrel sponge

Time Traveler

The first known use of barrel sponge was in 1979

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Dictionary Entries Near barrel sponge

barrel spindle

barrel sponge

barrel tasting

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Cite this Entry

“Barrel sponge.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/barrel%20sponge. Accessed 9 Aug. 2022.

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