tubeworm

or tube worm

[ toob-wurm, tyoob- ]
/ ˈtubˌwɜrm, ˈtyub- /

noun Zoology.

any of various marine worms that produce and inhabit a tube, some being adapted to a hydrothermal vent environment.

Origin of tubeworm

First recorded in 1925–30; tube + worm

British Dictionary definitions for tube worm

tube worm

noun

any of various polychaete worms that construct and live in a tube made of sand, lime, etc