To me, the concept of convoy seems to be closest to the other collective nouns you have described.posted by k8lin at 2:23 PM on May 18, 2012 Convoy is a more specific, rather than general, collective noun describing a group moving in the same direction in a line or close formation, which, in common usage, refers more often to machines such as trucks or ships than humans.posted by y2karl at 12:00 PM