D defs.my
Entry 2 senses Webster, 1913

Younger

/yŭng'-gẽr/ · Young·er · IPA /ˈjʌŋɡɚ/
01 n. One who is younger; an inferior in age; a junior.
  1. 1.
    One who is younger; an inferior in age; a junior.
  2. 2.
    Used of the younger of two persons of the same name especially used to distinguish a son from his father; -- usually used postpositionally; as, Henry the younger.
Syn. jr.