1.  rochester(n = noun.location) - a city in western New York; a center of the photographic equipment industry;
is a kind of city, metropolis, urban center
is a part of empire state, new york, new york state, ny

2.  rochester(n = noun.location) - a town in southeast Minnesota;
is a kind of town
is a part of gopher state, minnesota, mn, north star state