בָּטְנוֹן, (בטן) a musical instrument, a sort of bagpipe; (oth. opin.) cittern fastened around the body; (oth. opin.) workingman’s pinafore. Kel. XV, 6 (Ar. בטנים, oth. vers. בטונין, בטינין, v. Ar. Compl. ed. Koh. s. v.).