D defs.my
Entry 2 senses Webster, 1913

leatherneck

· leath·er·neck · IPA /ˈlɛð.ə.nɛk/
01 n. The sordid friar bird of Australia (Tropidorhynchus sordidus).
  1. 1.
    The sordid friar bird of Australia (Tropidorhynchus sordidus).(Zool.)
  2. 2.
    A member of the United States Marine Corps; a United States Marine.[slang]