| 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. |
specimen spec·i·men (spěs'ə-mən)
n.
A sample, as of tissue, blood, or urine, used for analysis and diagnosis.