(n) :
		
		the 
contrivance in a timepiece (winding wrist watch) which connects the train of wheel work with the 
pendulum or balance, giving to the latter the impulse by which it is kept in vibration; -- so called because it allows a tooth to escape from a 
pallet at each vibration; a mechanism found in devices such as a typewriter or printer which controls 
lateral motion of the 
carriage