noun

a group of ships or vehicles travelling together, typically one accompanied by armed troops, warships, or other vehicles for protection.

a convoy of lorries

group,fleet,cavalcade,motorcade,cortège,caravan,company,line,train,procession,crocodile

verb

(of a warship or armed troops) accompany (a group of ships or vehicles) for protection.

American destroyers helped to convoy much-needed supplies to Britain in 1917–18

escort,accompany,attend,flank,protect,guard,defend