| rock wren | |
noun | |
| 1. | short-tailed bird resembling a wren |
| 2. | wren inhabiting badlands and mesa country of western United States and Mexico |
| 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. |