| black-backed gull | |
| —n | |
| 1. | either of two common black-and-white European coastal gulls, Larus fuscus (lesser black-backed gull) and L. marinus (great black-backed gull) |
| 2. | Also called: karoro a southern gull, larus dominicanus, with black feathers on its back |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |