Englishletter of marquenounMeaningAn official commission from a government authorizing someone to seize the property or people of another nation; especially to attack merchant shipping of another nation.A ship that has been armed for such a task.Related wordsletter of mark and reprisal(English)letters of marque(English)letter of countermarque(English)marque(English)countermarque(English)sea letter(English)letters patent(English)mare liberum(English)SourcesDictionaryAPI.dev English dictionary data