worm + -er
wormer (countable and uncountable, plural wormers)
- Dewormer, medicine used in deworming an animal.
- Vermicide, any substance used to kill worms.
2007 February 5, Rick Moranis, “12 Rms, 8 Bths, 38 Wind Turbines”, in New York Times:
- If demand for the herbs is high we can add more wormers to the lobby and basement.