convoy

Etymology

From Middle English, from Old French convoier, another form of conveier, from Medieval Latin convio (“to accompany on the way”), from Latin com- (“together”) + via (“way”).

noun

1. (nautical) One or more merchant ships sailing in company to the same general destination under the protection of naval vessels.
2. A group of vehicles travelling together for safety, especially one with an escort.
   'Cause we got a great big convoy Rockin' through the night. Yeah, we got a great big convoy Ain't she a beautiful sight? Come on and join our convoy Ain't nothin' gonna get in our way. We gonna roll this truckin' convoy 'Cross the USA. 1975, “Convoy”, in C.W. McCall, Chip Davis (lyrics), Black Bear Road, performed by C. W. McCall
3. The act of convoying; protection.

verb

1. (transitive) To escort a group of vehicles, and provide protection.
   A frigate convoys a merchantman.
2. (intransitive) To travel under convoy.