1 definition by Zaain

Top Definition
A series of interconnecting or adjacent cities with a total population of 10 million or greater. Due to urban and transportation development between the individual cities, the boundries of the areas tend to become blurred, making it seem like one massively overdeveloped region. Many of these areas, as well as being centers of business and industry, are also a cultural meccae and have a major affect on the cultures and lifestyles of their residents as well as their countries and the rest of the world and vice versa.
The American East Coast Megalopolis, which includes: Boston; New York City; Philidelphia; Baltimore; Washington D.C.
by Zaain August 06, 2010

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