Meaning of sponge

Definition of sponge

(noun) 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 cellulose product similarly used
someone able to acquire new knowledge and skills rapidly and easily; "she soaks up foreign languages like a sponge"
a follower who hangs around a host (without benefit to the host) in hope of gain or advantage
primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies
(verb) wipe with a sponge, so as to clean or moisten
ask for and get free; be a parasite
erase with a sponge; as of words on a blackboard
soak up with a sponge
gather sponges, in the ocean

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