Definition of lockport:
(n) :
A city, the county seat of Niagara County, New York.
(n) :
A city and township in Will County, Illinois.
(n) :
A number of places in the United States:
(n) :
A community in the Rural Municipality of St. Andrews and Rural Municipality of St. Clements, Manitoba, Canada.
(n) :
A town in Niagara County, New York, surrounding the city of the same name.
(n) :
A township in Haskell County, Kansas.