D defs.my
Entry 1 sense Webster, 1913

Comer

/kŭm'-ẽr/ · Com·er · IPA /ˈkʌmɚ/
01 n. One who comes, or who has come; one who has arrived, and is present.
  1. 1.
    One who comes, or who has come; one who has arrived, and is present.
Phrases & compounds
All comers — all who come, or offer, to take part in a matter, especially in a contest or controversy.