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
noun.
someone able to acquire new knowledge and skills rapidly and easily
she soaks up foreign languages like a sponge
Synonym: quick study
noun.
a follower who hangs around a host (without benefit to the host) in hope of gain or advantage
noun.
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
verb.
ask for and get free; be a parasite
Synonym: bum, cadge, grub, mooch
verb.
erase with a sponge; as of words on a blackboard
verb.
soak up with a sponge
verb.
gather sponges, in the ocean