thirteener

Short definition from Wiktionary

Noun

1. 1
   A child who is thirteen years old.
2. 2
   A member of the 13th Gen; a Generation Xer or Gen-Xer.
3. 3
   The last playing card of a suit left after the other twelve have been played.
4. 4
   A hit for thirteen runs.
5. 5
   A coin worth thirteenpence, especially an Irish shilling (as contrasted with a British shilling which was worth twelvepence).
6. 6
   A thirteen-syllable line or series of lines in a poem.
7. 7
   A mountain rising to more than 13,000 feet (about 4,000 metres) but less than 14,000 feet above mean sea level.