Definition of selwyn:
(n) :
Any of a number of places in Australia, New Zealand, Canada and US.
(n) :
A territorial authority of Canterbury, New Zealand, named after the river; in full, Selwyn District.
(n) :
A river in Canterbury, New Zealand, named after Bishop George Selwyn; in full, Selwyn River.
(n) :
A small settlement on the south side of the river in Canterbury, New Zealand.
(n) :
A locality, formerly a mining town in the Shire of Cloncurry, Queensland, Australia, named after the Selwyn Range.
(n) :
A locality in Alpine Shire, north eastern Victoria, Australia.