| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| a chattering or flighty, light-headed person. |
coco (ˈkəʊkəʊ) ![]() | |
| —n , pl -cos | |
| coconut short for coconut palm | |
| [C16: from Portuguese coco grimace; from the likeness of the three holes of the nut to a face] | |
| COCO contractor-owned/contractor-operated |