Definitions
1.NounA procession of riders, vehicles, ships, etc.
2.NounA ceremonial parade.
3.NounA trail ride, usually more than one day long.
4.NounAn often dramatic series or chain of events or things."As soon as I visited this website, a cavalcade of dialog boxes started to appear on my screen; that's when I realized my computer was infected with a virus."
5.VerbTo move as part of a series or group, such as marchers in a parade or snow in an avalanche, especially in large numbers or in a chaotic or dangerous fashion