D defs.my
Entry 3 senses Webster, 1913

joey

/(jō"ē)/ · IPA /ˈd͡ʒoʊ.i/
01 n. Any young animal, especially a young kangaroo.
  1. 1.
    Any young animal, especially a young kangaroo.[Australian]
  2. 2.
    A young child.[Australian]
  3. 3.
    A three-penny piece.[British slang]