The Collaborative International Dictionary
Arenicolite
Arenicolite \Ar`e*nic"o*lite\, n. [L. arena sand + colere to
cherish or live.] (Paleon.)
An ancient wormhole in sand, preserved in the rocks.
--Dana.
Wiktionary
arenicolite
n. (context paleontology English) An ancient wormhole in sand, preserved in the rocks.