wool sponge
- a commercial sponge, Hippiospongia lachne, of Florida and the West Indies, the surface of which resembles the fleece of a sheep.
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Origin of wool sponge
An Americanism dating back to 1875–80
Also called sheepswool sponge.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018