n., or /mhw>. [ Ar. aryil, ayyil, stag. ] (Zool.) (a) A variety of the gazelle (Antilope dorcas, or Gazella, dorcas), found in Arabia and adjacent countries. (b) A squirrel-like Australian marsupial, a species of Petaurus. (c) A beautiful Brazilian toucan Ramphastos ariel). [ 1913 Webster ]