(1):

(n.) Conveyance; means of transportation.

(2):

(n.) A protection force accompanying ships, etc., on their way from place to place, by sea or land; an escort, for protection or guidance.

(3):

(n.) A vessel or fleet, or a train or trains of wagons, employed in the transportation of munitions of war, money, subsistence, clothing, etc., and having an armed escort.

(4):

(n.) A drag or brake applied to the wheels of a carriage, to check their velocity in going down a hill.

(5):

(v. t.) To accompany for protection, either by sea or land; to attend for protection; to escort; as, a frigate convoys a merchantman.

(6):

(n.) The act of attending for defense; the state of being so attended; protection; escort.