| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| the offspring of a zebra and a donkey. |
vexillum (vɛkˈsɪləm) ![]() | |
| —n , pl -la | |
| 1. | ornithol the vane of a feather |
| 2. | botany another name for standard |
| [C18: from Latin: banner, perhaps from vēlum sail] | |
| 'vexillary | |
| —adj | |
| vex'illar | |
| —adj | |
| 'vexillate | |
| —adj | |