D defs.my
Entry 1 sense Webster, 1913

Teenager

/(tēn"āj`ẽr)/ · Teen·ag·er · IPA /ˈtinˌeɪ.dʒəɹ/
01 n. a person whose age is in the teens, i.e. one between the ages of 13 to 19 inclusive.
  1. 1.
    a person whose age is in the teens, i.e. one between the ages of 13 to 19 inclusive.