Definition of crowley:
(n) :
A surname.
(n) :
A placename:
(n) :
A city, the parish seat of Acadia Parish, Louisiana, United States.
(n) :
A city in Tarrant County, Texas, United States.
(n) :
A town in Crowley County, Colorado, United States.
(n) :
(fantasy fiction) The name of a demon, found in several different works of fiction by several different authors. Named in reference to Aleister Crowley, a famous 19th-century occultist.