| 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. |
| pachyderm (pāk'ĭ-dûrm') Pronunciation Key
Any of various large, thick-skinned mammals, such as the elephant, rhinoceros, or hippopotamus. |