wormcast
worm·cast
noun
1.
cylindrical mass of earth voided by a burrowing earthworm or lugworm
Origin
From worm + cast.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.