Definition of "Selwyn"

A surname transferred from the given name.  examples

A male given name from Old English transferred back from the surname, in quiet use since the 19th century.  examples

Any of a number of places in Australia, New Zealand, Canada and US.

1. The Selwyn River, a river in Canterbury, New Zealand, named after Bishop George Selwyn.  examples

2. A small settlement on the south side of the river in Canterbury, New Zealand.  examples

3. Selwyn District, a local government district in Canterbury, New Zealand, named after the river.  examples

4. A locality, formerly a mining town in the Shire of Cloncurry, Queensland, Australia, named after the Selwyn Range.  examples

5. A township in Peterborough County, Ontario, Canada, renamed from Smith-Ennismore-Lakefield in 2013.  examples

6. An unincorporated community in Mingo County, West Virginia, United States.  examples

(Cambridge University, informal) Ellipsis of Selwyn College, Cambridge.  examples