noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A small pile of sand or soil, the end product of the breakdown of organic matter by an earthworm.
2. 2
   fossil trail of a worm wordnet
3. 3
   cylindrical mass of earth voided by a burrowing earthworm or lugworm wordnet

Synonyms

All synonyms

burrow castichnofossiltrace fossilvermicastworm castings

Etymology

From worm + cast.