noun, masculine/ɛ̃.pʁi.mœʁ/plural: imprimeurs
imprimeur is masculine in French.
printer; operator of a printing press
“1864, Rudolf Charles, Preface to Testament by Jean Meslier, page 13” — The cash register was empty and loaded with debts to the paper merchant, to the printer, etc., thanks to our imprudence in taking charge of the printing of a few essays which Mr B. had promised us, but which soon formed a voluminous work...
From imprimer + -eur.