Roneo noun 1verb 1forms 6 noun1 •(historical) A copying machine using stencils; a mimeograph.For his "sermons" were recorded and Roneo-copied for the benefit of absent members. — 1974 verb1 •To copy using a Roneo stencil machine.He pushed across the counter a roneoed form with his particulars entered in a sloping hand. — 1963 formsRoneoed · roneoed · Roneoing · roneoing · Roneos · roneos