nineteen
noun
a cardinal number, ten plus nine.
The grammatical form denoting more than one person, place, thing, or idea.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Well, boys, when you get out of the nineteens, you will begin to learn something.
From Punchinello, Volume 1, No. 03, April 16, 1870 by Various