grass sponge

noun

Definition of grass sponge

: a brittle usually dark brown often very large inferior commercial sponge (Spongia graminea) occurring in the Gulf of Mexico, in the West Indies, and off the Florida coast

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Cite this Entry

“Grass sponge.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/grass%20sponge. Accessed 19 Sep. 2021.

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