ac·an·thop·te·ryg·i·an I. \-ˌthäptəˈrijēən\adjective orac·an·thop·te·ran\|aˌkanˈthäptərən, |akən-\ Etymology: New Latin Acanthopterygii or Acanthopteri + English -an : of or belonging to the Acanthopterygii II. noun oracanthopteran\“\ (-s) : acanthopt