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

'Sponge' in other languages