Answer: escapement

AnswerCrossword Clue
ESCAPEMENTPart of a watch, typewriter or piano
escapementThe part of the mechanism in a piano that enables the hammer to fall back as soon as it has struck the string
escapementa part of a clock or watch connecting the wheelwork with the pendulum or balance, and allowing a tooth to escape at each vibration also SCAPEMENT
escapementA mechanism in a typewriter that shifts the carriage a small fixed amount to the left after a key is pressed and released
escapementA mechanism in a clock or watch that alternately checks and releases the train by a fixed amount and transmits a periodic impulse from the spring or weight to the balance wheel or pendulum