A drawing or writing pen formed from the flight feathers of a goose or swan The shaft of the feather is cut across its wide end either at an angle or to form a square tip The hollow shaft forms a natural ink reservoir
The moving member of an EDM machine on which the electrode or electrode holder is mounted, more specifically a cylindrical ram working in bearings or bushings
The vertical part of a comventional handlebar stem A traditional-style pedal for use with toe clips and straps is sometimes called a "quill" pedal, but I have been unable to discover why
a stiff hollow protective spine on a porcupine or hedgehog the hollow shaft of a feather pen made from a bird's feather Something having the form of a quill The fold or plain of a ruff