recorder UK /ɹiˈkɔː.də/US /ɹiˈkɔɹ.dəɹ/ noun4 •An apparatus for recording; a device which records. •Agent noun of record; one who records. •A musical instrument of the woodwind family; a type of fipple flute, a simple internal duct flute.Recorders are made in various sizes, from the high soprano or descant recorder to the low bass recorder. •A judge in a municipal court. formsrecorders