| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
eminence em·i·nence (ěm'ə-nəns)
n.
The projecting prominent part of an organ, especially a bone.