adjective

1. of, handed down by, or conforming to tradition; conventional
   also traditionary tra·di′·tion·ar′y (-ner′ē) or Raretraditive trad′i·tive (trad′ə tiv)
2. designating or of a style of improvised jazz associated historically with early black New Orleans musicians and typically played by a band made up of one or two cornets, a clarinet, a trombone, and a rhythm section that includes a banjo and a tuba