One entry found for tube worm.

Main Entry: tube worm
Function: noun
: a worm that lives in a tube (as one made of sand grains or calcium carbonate): as a : any of various land- or water-dwelling worms that are closely related to the earthworms b : any of a group of worms that may grow to be 9 feet (3 meters) long, are related to the earthworms, and live on the ocean floor near openings that give off very hot mineral-rich water

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