worm castnoun [ C ]
uk/ˈwɜːm ˌkɑːst/us/ˈwɝːm ˌkæst/a small pile of earth or sand pushed up to the surface of the ground by a worm
Thesaurus: synonyms and related words
Soil
- aerator
- boulder clay
- chalk
- dirt
- grit
- ground
- heavy
- laterite
- limy
- loam
- mudslide
- ooze
- ore
- peat bog
- sandy
- sediment
- silt
- sod
- soil science
- topsoil
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