redworm
Concise Oxford English Dictionary © 2008 Oxford University Press:
redworm/ˈrɛdwəːm/
▶noun
- 1 a red earthworm used to make compost and as fishing bait. [Lumbricus rubellus.]
- 2 a parasitic nematode worm affecting horses. [Genus Strongylus.]
'redworm' also found in these Oxford entries:

