Em·per·or n. The sovereign or supreme monarch of an empire; -- a title of dignity superior to that of king; as, the emperor of Germany or of Austria; the emperor or Czar of Russia.
Emperor goose Zoöl., a large and handsome goose (Philacte canagica), found in Alaska.
Emperor moth Zoöl., one of several large and beautiful bombycid moths, with transparent spots on the wings; as the American Cecropia moth (Platysamia cecropia), and the European species (Saturnia pavonia).
Emperor paper. See under Paper.
Purple emperor Zoöl., a large, strong British butterfly (Apatura iris).
◄ ►
purple emperor
n : large European butterfly the male of which has wings shaded
with purple [syn: Apatura iris]