Definition of escapements:
(n) :
(clocks, mechanics) The linkage in a (watch) that gives impulses to the timekeeping element and periodically releases the gear train to move forward, advancing the clock's hands.
(n) :
A mechanism found in devices such as a typewriter or printer which controls lateral motion of the carriage.
(n) :
An escape or a means of escape.
(n) :
The number of fish that escape commercial fishing operations and travel upstream to spawn.