Definitions

1. adjective

Living in or near a tube, especially a burrow or a pipe in the ground, such as a worm tube.

“Some species of insects are tubicolous and live in underground tubes.”

2. noun

A plant or animal that lives in or near a tube, especially a burrow or a pipe in the ground, such as a worm tube.

“The tubicolous worms were an important part of the ecosystem.”