pinion

nouns

a gear with a small number of teeth designed to mesh with a larger wheel or rack
pinion
is a type of (narrower)
a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion
cogwheel, gear, gear wheel, geared wheel
any of the larger wing or tail feathers of a bird
flight feather, pinion, quill, quill feather
wing of a bird
pennon, pinion

verbs

bind the arms of
pinion, shackle
cut the wings off (of birds)
pinion
is a type of (narrower)
make unable to perform a certain action
"disable this command on your computer"
disable, disenable, incapacitate