- (countable) Any of various marine invertebrates, mostly of the phylum Porifera, that have a porous skeleton often of silica.
- Synonyms: sea sponge, bath sponge, poriferan, porifer
- (countable) A piece of porous material used for washing (originally made from the invertebrates, now often made of plastic).
- Synonyms: bath sponge
- (uncountable) A porous material such as sponges consist of.
- (informal) A heavy drinker.
- Synonyms: souse, swill-pot, Thesaurus:drunkard
- (countable, uncountable) A type of light cake.
- Synonyms: sponge cake
- (countable, uncountable, British) A type of steamed pudding.
- Synonyms: sponge pudding
- (slang) A person who takes advantage of the generosity of others (abstractly imagined to absorb or soak up the money or efforts of others like a sponge).
- Synonyms: freeloader, sponger, Thesaurus:scrounger
- (countable) A form of contraception that is inserted vaginally; a contraceptive sponge.
- Any sponge-like substance.
- A mop for cleaning the bore of a cannon after a discharge. It consists of a cylinder of wood, covered with sheepskin with the wool on, or cloth with a heavy looped nap, and having a handle, or staff.
- The extremity, or point, of a horseshoe, corresponding to the heel.
- (slang) A nuclear power plant worker routinely exposed to radiation.
- Russian: гу́бка
sponge (sponges, present participle sponging; past and past participle sponged)
- (intransitive, slang) To take advantage of the kindness of others.
- The fly is an intruder, and a common smell-feast, that sponges upon other people's trenchers.
- He has been sponging off his friends for a month now.
- (transitive, intransitive with on or upon) To get by imposition; to scrounge.
- Synonyms: blag
- to sponge a breakfast
- (transitive) To deprive (somebody) of something by imposition.
- How came such multitudes of our nation […] to be sponged of their plate and their money?
- To clean, soak up, or dab with a sponge.
- To suck in, or imbibe, like a sponge.
- To wipe out with a sponge, as letters or writing; to efface; to destroy all trace of.
- (intransitive, baking) To be converted, as dough, into a light, spongy mass by the agency of yeast or leaven.
- German: schnorren
- Russian: паразити́ровать
- Spanish: cafichear, gorronear, gallofear, comer la sopa boba
- French: éponger
- Russian: чи́стить губка