/dith"euh ram', -ramb'/ , n.
1. a Greek choral song or chant of vehement or wild character and of usually irregular form, originally in honor of Dionysus or Bacchus.
2. any poem or other composition having similar characteristics, as an impassioned or exalted theme or irregular form.
3. any wildly enthusiastic speech or writing.
[ 1595-1605; dithyrambus dithýrambos ]