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

someone able to acquire new knowledge and skills rapidly and easily

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

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