Definition of newmarket:
(n) :
A market town and civil parish in West Suffolk district, Suffolk, England, previously in Forest Heath district, with a famous racecourse (OS grid ref TL6463).
(n) :
A town in Ontario, Canada.
(n) :
A town and census-designated place therein, in Rockingham County, New Hampshire, United States.
(n) :
A suburb of Brisbane, Queensland, Australia, north-west of the city centre.
(n) :
An inner suburb of Auckland, New Zealand.
(n) :
A hamlet in Clay Cross parish, North East Derbyshire district, Derbyshire, England (OS grid ref SK3863).