| 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. |
"Kazoos, the great musical wonder, ... anyone can play it; imitates fowls, animals, bagpipes, etc." [1895 Montgomery Ward catalogue, p.245]