Is Word escapement Accepted in TWL Scrabble Dictionary?

escapement is Accepted in TWL Scrabble Dictionary

escapement Scrabble score: 16

The part of the mechanism in a piano that enables the hammer to fall back as soon as it has struck the string
a 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 [n -S]
A mechanism in a typewriter that shifts the carriage a small fixed amount to the left after a key is pressed and released
A 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