tubeworm

or tube worm

[toob-wurm, tyoob-]

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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019