0 a very large city, especially one with more than 10 million people living in it
1 a very large city that has a population of more than 10 million people and that is often made of two or more urban areas that have grown so much that they are connected:
The lesson for rising megacities is that a central strategic authority is not essential for prosperous growth.
The voluntary and personal hosting of tourists should improve the bad image of the megacity.
A single-tier municipality which is predominantly urban in nature may also be informally referred to as a megacity.
The announcement touched off vociferous public objections to what the media termed the megacity plan.
A characteristic issue of megacities is the difficulty in defining their outer limits and accurately estimating the populations.
A megacity can be a single metropolitan area or two or more metropolitan areas that converge.
The metropolitan area surpassed the 10 million mark in early 1930s, becoming the first megacity in human history.
Another list defines megacities as urban agglomerations instead of metropolitan areas.
