1. (n.)sponge any porous, aquatic, sessile animal of the phylum Porifera, having a fibrous siliceous or calcareous internal skeleton and lacking tissueorganization.
2. sponge the skeleton of certain sponges, readily absorbing water and becoming soft when wet while retaining toughness.
1. (noun)sponge a porous mass of interlacing fibers that forms the internal skeleton of various marine animals and usable to absorb water or any porous rubber or celluloseproduct similarly used
2. (noun)quick study, sponge someone able to acquire new knowledge and skills rapidly and easily "she soaks up foreign languages like a sponge"
4. (verb)sponge, poriferan, parazoan primitive multicellular marineanimal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies
5. (verb)sponge wipe with a sponge, so as to clean or moisten
6. (verb)mooch, bum, cadge, grub, sponge ask for and get free; be a parasite
7. (verb)sponge erase with a sponge; as of words on a blackboard
1. (noun)sponge any one of numerous species of Spongiae, or Porifera. See Illust. and Note under Spongiae
2. (noun)sponge the elastic fibrous skeleton of many species of horny Spongiae (keratosa), used for many purposes, especially the varieties of the genus Spongia. The most valuable sponges are found in the Mediterranean and the Red Sea, and on the coasts of Florida and the West Indies
3. (noun)sponge one who lives upon others; a pertinaceous and indolent dependent; a parasite; a sponger
5. (noun)sponge dough before it is kneaded and formed into loaves, and after it is converted into a light, spongy mass by the agency of the yeast or leaven