au·re·lian I. \(ˈ)ȯ|rēlyən, -lēən\adjective Etymology: New Latin aurelia (I)+ English -an 1.: golden in color 2.: of or relating to an aurelia II. noun (-s) Etymology: New Latin aurelia (I)+ English -an : a collector and breeder of moths and butterflies III. adjective Etymology: New Latin Aurelia (II)+ English -an : of or relating to Aurelia or related genera