Nineteen

1. n. A symbol for nineteen units, as 19 or xix.
2. a. Nine and ten; eighteen and one more; one less than twenty; as, nineteen months.
3. n. The number greater than eighteen by a unit; the sum of ten and nine; nineteen 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.