|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
|a chattering or flighty, light-headed person.|
operable op·er·a·ble (ŏp'ər-ə-bəl, ŏp'rə-)
Being treatable by surgical operation with a reasonable degree of safety and chance of success.