doorknob [doorknobs](circular device attached to a door, the rotation of which permits the unlatching of a door) noun [UK: ˈdɔː.nɒb] [US: ˈduːrnab]She put her hand on the doorknob. = Mise la mano sul pomello della porta.
knob [knobs](rounded protuberance, handle, or control switch) noun [UK: nɒb] [US: ˈnɑːb]