Sponge word meaning and definition

[noun] primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies
[noun] a follower who hangs around a host (without benefit to the host) in hope of gain or advantage
[noun] a porous mass of interlacing fibers the forms the internal skeleton of various marine animals and usable to absorb water or any porous rubber or cellulose product similarly used
[verb] gather sponges, in the ocean
[verb] wipe with a sponge, so as to clean or moisten
[verb] soak up with a sponge
[verb] erase with a sponge; as of words on a blackboard
[verb] ask for and get free; be a parasite

\Sponge\, n. [OF. esponge, F. ['e]ponge, L. spongia, Gr. ?, ?. Cf. {Fungus}, {Spunk}.] [Formerly written also {spunge}.] 1. (Zo["o]l.) Any one of numerous species of Spongi[ae], or Porifera. See Illust. and Note under {Spongi[ae]}. 2. The elastic fibrous skeleton of many species of horny Spongi[ae] (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. Fig.: One who lives upon others; a pertinaceous and indolent dependent; a parasite; a sponger. 4. Any spongelike substance. Specifically:
(a) 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.
(b) Iron from the puddling furnace, in a pasty condition.
(c) Iron ore, in masses, reduced but not melted or worked. 5. (Gun.) 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. 6. (Far.) The extremity, or point, of a horseshoe, answering to the heel. {Bath sponge}, any one of several varieties of coarse commercial sponges, especially {Spongia equina}. {Cup sponge}, a toilet sponge growing in a cup-shaped form. {Glass sponge}. See {Glass-sponge}, in the Vocabulary. {Glove sponge}, a variety of commercial sponge ({Spongia officinalis}, variety {tubulufera}), having very fine fibers, native of Florida, and the West Indies. {Grass sponge}, any one of several varieties of coarse commercial sponges having the surface irregularly tufted, as {Spongia graminea}, and {S. equina}, variety {cerebriformis}, of Florida and the West Indies. {Horse sponge}, a coarse commercial sponge, especially {Spongia equina}. {Platinum sponge}. (Chem.) See under {Platinum}. {Pyrotechnical sponge}, a substance made of mushrooms or fungi, which are boiled in water, dried, and beaten, then put in a strong lye prepared with saltpeter, and again dried in an oven. This makes the black match, or tinder, brought from Germany. {Sheep's-wool sponge}, a fine and durable commercial sponge ({Spongia equina}, variety {gossypina}) found in Florida and the West Indies. The surface is covered with larger and smaller tufts, having the oscula between them. {Sponge cake}, a kind of sweet cake which is light and spongy. {Sponge lead}, or {Spongy lead} (Chem.), metallic lead brought to a spongy form by reduction of lead salts, or by compressing finely divided lead; -- used in secondary batteries and otherwise. {Sponge tree} (Bot.), a tropical leguminous tree ({Acacia Farnesiana}), with deliciously fragrant flowers, which are used in perfumery. {Toilet sponge}, a very fine and superior variety of Mediterranean sponge ({Spongia officinalis}, variety {Mediterranea}); -- called also {turkish sponge}. {To set a sponge} (Cookery), to leaven a small mass of flour, to be used in leavening a larger quantity. {To throw up the sponge}, to give up a contest; to acknowledge defeat; -- from a custom of the prize ring, the person employed to sponge a pugilist between rounds throwing his sponge in the air in token of defeat. [Cant or Slang] ``He was too brave a man to throw up the sponge to fate.'' --Lowell. {Vegetable sponge}. (Bot.) See {Loof}. {Velvet sponge}, a fine, soft commercial sponge ({Spongia equina}, variety {meandriniformis}) found in Florida and the West Indies. {Vitreous sponge}. See {Glass-sponge}. {Yellow sponge}, a common and valuable commercial sponge ({Spongia agaricina}, variety corlosia) found in Florida and the West Indies.
\Sponge\, v. t. [imp. & p. p. {Sponged}; p. pr. & vb. n. {Sponging}.] 1. To cleanse or wipe with a sponge; as, to sponge a slate or a cannon; to wet with a sponge; as, to sponge cloth. 2. To wipe out with a sponge, as letters or writing; to efface; to destroy all trace of. --Hooker. 3. Fig.: To deprive of something by imposition. ``How came such multitudes of our nation . . . to be sponged of their plate and their money?'' --South. 4. Fig.: To get by imposition or mean arts without cost; as, to sponge a breakfast. --Swift.
\Sponge\, v. i. 1. To suck in, or imbile, as a sponge. 2. Fig.: To gain by mean arts, by intrusion, or hanging on; as, an idler sponges on his neighbor. --E. Eggleston. The fly is an intruder, and a common smell-feast, that sponges upon other people's trenchers. --L'Estrange. 3. To be converted, as dough, into a light, spongy mass by the agency of yeast, or leaven.

Morse code: ... .--. --- -. --. .