locking piece
noun Horology.
(in a striking train) a hooked part, rising and falling on a locking plate and arresting the rotation of the plate after the proper number of strokes.
Origin of locking piece
First recorded in 1810–20
Words nearby locking piece
locker-room,
lockerbie,
locket,
lockfast,
lockhart,
locking piece,
locking plate,
locking pliers,
lockjaw,
locknut,
lockout