| 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. |
| three-decker | |
| —n | |
| 1. | a. anything having three levels or layers |
| b. (as modifier): a three-decker sandwich | |
| 2. | a warship with guns on three decks |