Noah Webster
Flying-pinion
FLYING-PINION, noun The part of a clock, having a fly or fan, by which it fathers air, and checks the rapidity of the clock's motion, when the weight descends in the striking part.
FLYING-PINION, noun The part of a clock, having a fly or fan, by which it fathers air, and checks the rapidity of the clock's motion, when the weight descends in the striking part.