Thirteen

1. n. A symbol representing thirteen units, as 13 or xiii.
2. a. One more than twelve; ten and three; as, thirteen ounces or pounds.
3. n. The number greater by one than twelve; the sum of ten and three; thirteen units or objects.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.