RhymeZone: horncastle definitions

Definitions of Horncastle:

noun: A suburb of Reading, Berkshire, England (OS grid ref SU6772).
noun: A market town and civil parish of East Lindsey district, Lincolnshire, England (OS grid ref TF2669).
noun: A ghost town in the city of Kawartha Lakes, Ontario, Canada.
noun: A surname.

(Definitions from Wiktionary)