There's a convoy of military vehicles approaching the compound, sir.
Look at the convoy of Amish people in wagons.
The military vehicles traveled through town in a convoy system.
A convoy is a series of trucks or wagons traveling together. Here are some sentences.The convoy took ten minutes to pass our house.The trucker joined the convoy headed for New England."Looks like we got us a convoy." (from the song "Convoy")
A destroyer convoyed the merchant ship.
The convoy was en route to Iraq.
The convoy lead the President to the White House safely.
Anticipation in the room was palpable, as the convoy approached.
Convoy is a noun.
All pegistrants move aside when they saw a convoy approaching
The raiding party used stealth and cunning to achieve their goal, which was to slaughter their opponents in the convoy.
The word 'convoy' IS a noun, a singular, common noun; a word for a group of ships or vehicles traveling together, often for mutual support or accompanied by a protective force. The noun 'convoy' is a word for a thing.
The plural of convoy is convoys. It is perfectly regular: just add an s.