A group of vehicles or ships traveling together to protect themselves. French convoyer ("travel together").
A convoy is a caravan or vehicle group that aims to protect each other. It may be 40 cars; cars, trucks, vans ) or warships. Escort, column, detachment, fleet, Entourage.
Convoy: In Mexico, cruet, table utensil.
convoy type of backup as ship's defense with bullets or guns with their use of boat to protect boats as the Galleon