| vigilance committee | |
| —n | |
| (in the US) a self-appointed body of citizens organized to maintain order, punish crime, etc, where an efficient system of courts does not exist | |
| 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. |