| 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 screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
purblind pur·blind (pûr'blīnd')
adj.
Having poor vision; nearly or partly blind.
Slow in understanding or discernment; dull.