|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.|
disorientation dis·o·ri·en·ta·tion (dĭs-ôr'ē-ěn-tā'shən)
Loss of one's sense of direction, position, or relationship with one's surroundings.
A temporary or permanent state of confusion regarding place, time, or personal identity.