Definition of langdon:
(n) :
A civil parish in Dover district, Kent, England, which includes East Langdon and West Langdon.
(n) :
A habitational surname from Old English.
(n) :
A hamlet in Werrington parish, next to Langdon Cross, north of Launceston, Cornwall, England (OS grid ref SX3089).
(n) :
A small city, the county seat of Cavalier County, North Dakota, United States.
(n) :
A town in Sullivan County, New Hampshire, United States.
(n) :
A tiny city in Reno County, Kansas, United States.