Definition of olenus:
(N) :
a genus of Upper Cambrian ptychopariid trilobite.
(N) :
Olenus or Olenum was a polis (city-state) in ancient Achaea, Greece.
(N) :
one of a number of figures in Greek mythology.
(N) :
Olenus or Olenos was a town in the south of ancient Aetolia, between the Achelous River and the Evenus River.
(N) :
Olenus or Olenos was a town of ancient Galatia, in the west of Ancyra, and belonging to the territory of the Tectosages, is mentioned only by Ptolemy.