| Twelfth Day | |
| —n | |
| a. Jan 6, the twelfth day after Christmas and the feast of the Epiphany, formerly observed as the final day of the Christmas celebrations | |
| b. (as modifier): Twelfth-Day celebrations | |
| a chattering or flighty, light-headed person. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |