Convoy
CONVOY, verb transitive [Latin , to carry, to bear or carry, to bring along.] To accompany on the way for protection, either by sea or land; as, ships of war convoyed the Jamaica fleet; the troops convoyed the baggage wagons. When persons are to be protected, the word escort is used.
CONVOY, noun
1. A protecting force accompanying ships or property on their way from place to place, either by sea or land. By sea, a ship or ships of war which accompany merchantmen for protection from an enemy. By land, any body of troops which accompany provisions, ammunition or other property for protection.
2. The ship or fleet conducted and protected; that which is conducted by a protecting force; that which is convoyed. The word sometimes includes both the protecting and protected fleets.
3. The act of attending for defense.
4. Conveyance.