D defs.my
Entry 2 senses · 2 variants Webster, 1913

auto

/ôt'-ō/ · au·to · IPA /ˈɔtoʊ/
01 n. An abbreviation of automobile.
  1. 1.
    An abbreviation of automobile. Also: automobile
02 a. of or pertaining to an automobile; as, an auto mechanic.
  1. 1.
    of or pertaining to an automobile; as, an auto mechanic.