| Main Entry: | ambassador-at-large |
| Part of Speech: | n |
| Definition: | an ambassador who is not appointed to a certain country but travels to various places carrying out special duties |
| 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. |