thirteen Meaning, Definition & Usage

  1. noun the cardinal number that is the sum of twelve and one
    long dozen; 13; XIII; baker's dozen.
  2. adjective satellite being one more than twelve
    13; xiii.

WordNet

Thir"teen` adjective
Etymology
OE. threttene, AS. reótene, reótyne. See Three, and Ten, and cf. Thirty.
Definitions
  1. One more than twelve; ten and three; as, thirteen ounces or pounds.
Thir"teen` noun
Definitions
  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.

Webster 1913