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- DictionarySponge/spənj/
noun
- 1. a primitive sedentary aquatic invertebrate with a soft porous body that is typically supported by a framework of fibers or calcareous or glassy spicules. Sponges draw in a current of water to extract nutrients and oxygen.
- 2. a piece of a soft, light, porous substance originally consisting of the fibrous skeleton of an invertebrate but now usually made of synthetic material. Sponges absorb liquid and are used for washing and cleaning.
verb
- 1. wipe, rub, or clean with a wet sponge or cloth: "she sponged him down in an attempt to cool his fever"
- 2. obtain or accept money or food from other people without doing or intending to do anything in return: informal "they found they could earn a perfectly good living by sponging off others"