cavalcade

Short definition from Wiktionary

Noun

1. 1
   A procession of riders, vehicles, ships, etc.
2. 2
   A ceremonial parade.
3. 3
   A trail ride, usually more than one day long.
4. 4
   An often dramatic series or chain of events or things.

Verb

1. 1
   To 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