thir·teen /ˌθɝ(t)ˈtin, ˈθɚ/
Thir·teen a. One more than twelve; ten and three; as, thirteen ounces or pounds.
1. The number greater by one than twelve; the sum of ten and three; thirteen units or objects.
2. A symbol representing thirteen units, as 13 or xiii.
adj : being one more than twelve [syn: 13, xiii]
n : the cardinal number that is the sum of twelve and one [syn:
13, XIII, baker's dozen, long dozen]