| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| the offspring of a zebra and a donkey. |
productive pro·duc·tive (prə-dŭk'tĭv, prō-)
adj.
Producing or capable of producing mucus or sputum.
Forming new tissue, as of an inflammation.