Definitions

1. 1.thirteen (name of the number)
2. 2.thirteen (a set or group with thirteen elements)
3. 3.something assigned the number thirteen: bus line, road, candidate on a ballot, etc.
4. 4.thirteen-year-old woman
5. 5.end of the year bonus (the additional thirteenth salary received at the end of a given year or at the beginning of the following year by staff in the public sector)