thirteenth
🇺🇸
/ˌθɜːrˈtiːnθ/
🇬🇧
/ˌθɜːˈtiːnθ/
One of the parts when something is divided equally into thirteen parts.
The thirteenth piece of cake was the last one left.
The position in a sequence that comes after the twelfth and before the fourteenth.
The thirteenth of March is her birthday.