имя существительное [морское дело, историческое] капер (судно) Например: letter(s) of marque — каперское свидетельство
I. noun Etymology: Middle English, from Anglo-French, from Old Occitan marca, from marcar to mark, seize as pledge, of Germanic origin; akin to Old High German marcōn to mark 1. obsolete reprisal, retaliation 2. letters of marque II. noun Etymology: French, mark, brand, from Middle French, from marquer to mark, of Germanic origin; akin to Old High German marcōn to mark a brand or make of a product (as a sports car)