guard pin
noun Horology.
(in a lever escapement) a pin on the lever, meeting the safety roller in such a way as to prevent the lever from overbanking.
Origin of guard pin
First recorded in 1875–80
Words nearby guard pin
guard cell,
guard dog,
guard duty,
guard hair,
guard of honor,
guard pin,
guard ring,
guard's van,
guardafui,
guardant,
guarded