Definition of monarches:
(n) :
The ruler of an absolute monarchy or the head of state of a constitutional monarchy.
(n) :
A monarch butterfly (Danaus plexippus) and others of genus Danaus, found primarily in North America.
(n) :
Any bird of the family Monarchidae.
(n) :
The chief or best thing of its kind.
(n) :
(often capitalised) A stag which has sixteen or more points or tines on its antlers.
(n) :
(Aboriginal English) A police officer.