1. After the eleventh; the ordinal designation for twelve; the twelfth.
2. Being one of twelve equal parts.
3. A 12th part of something, especially 1/12th.
4. The 12th member or object in a series.
EX. Lo and behold! On Sunday, the identity of the newest and dozenth actor to play Doctor Who's titular character was revealed to be Peter Capaldi. Watch the video linked below and tell me what you think: