| fool's-parsley | |
| —n | |
| an evil-smelling Eurasian umbelliferous plant, Aethusa cynapium, with small white flowers: contains the poison coniine | |
| the offspring of a zebra and a donkey. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |