1. [n]  the cardinal number that is the sum of thirteen and one
2. [adj]  being one more than thirteen

Fourteen
This memoirist portrays how living in a crowded home with 13 siblings was made even more difficult by the emotional distance of his parents. He fled when he could no longer tolerate family life, finally contacting siblings 40 years later.

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1. \Four"teen`\, a. [OE. fourtene, feowertene, AS.
   fe['o]wert[=y]ne, fe['o]wert[=e]ne. See {Four}, and {Ten},
   and cf. {Forty}.]
   Four and ten more; twice seven.
   

2. \Four"teen`\, n.
   1. The sum of ten and four; forteen units or objects.
   2. A symbol representing fourteen, as 14 or xiv.