"convoys" in the noun sense
1. convoy
a procession of land vehicles traveling together
2. convoy
a collection of merchant ships with an escort of warships
3. convoy
the act of escorting while in transit
"convoys" in the verb sense
1. convoy
escort in transit
"the trucks convoyed the cars across the battle zone"
"the warships convoyed the merchant ships across the Pacific"
Source: WordNet® (An amazing lexical database of English)
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