| 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. |
A missile with a long range (five thousand miles or more) that carries nuclear warheads and can be launched from the ground or from submarines. (See also MIRV.)