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| 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 fool or simpleton; ninny. |
| Canada balsam | |
| —n | |
| 1. | a yellow transparent resin obtained from the balsam fir. Because its refractive index is similar to that of glass, it is used as an adhesive in optical devices and as a mounting medium for microscope specimens |
| 2. | another name for balsam fir |
Canada balsam
oleoresin consisting of a viscous yellowish to greenish liquid exuded by the balsam fir of North America, Abies balsamea. It is actually a turpentine, belonging to the class of oleoresins (natural products consisting of a resin dissolved in an essential oil), and not a balsam.
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