noun
loco
A poisonous plant that causes nervous-system illness in livestock.
The rancher identifies loco growing in the pasture.
Etymology
The Spanish adjective means mad. It was applied to plants associated with disordered behavior in livestock that ate them, giving English the plant-name loco.
More examples
- The livestock avoided the patch of loco.
- The field guide described loco.
- She studied poisoning associated with loco.
Forms
loco · locos · locoes
Similar words
- locoweed
- The fuller common name.
- poisonous plant
- A broader category that does not identify the plant.