Akademik

convoy
n. & v.
—n.
1 a group of ships travelling together or under escort.
2 a supply of provisions etc. under escort.
3 a group of vehicles travelling on land together or under escort.
4 the act of travelling or moving in a group or under escort.
—v.tr.
1 (of a warship) escort (a merchant or passenger vessel).
2 escort, esp. with armed force.
Etymology: OF convoyer var. of conveier CONVEY

Useful english dictionary. 2012.