[{"Bold_text": "adjective", "List Items": ["acting as part of a servomechanism :servo amplifier.", "pertaining to or having to do with servomechanisms :servo engineer.", "noting the action of certain mechanisms, as brakes, that are set in operation by other mechanisms but which themselves augment the force of that action by the way in which they operate."]}, {"Bold_text": "noun", "List Items": ["Informal. servomechanism ."]}, {"Bold_text": "verb (used with object)", "List Items": ["to connect (a mechanism) to another as a servomechanism ."]}, {"Bold_text": null, "List Items": ["a combining form used in the names of devices or operations that employ a servomechanism:servocontrol."]}]