Definitions for "Pinion"
Keywords:  gear, cogwheel, rack, mesh, gearwheel
A cogwheel with a small number of teeth, or leaves, adapted to engage with a larger wheel, or rack (see Rack); esp., such a wheel having its leaves formed of the substance of the arbor or spindle which is its axis.
To disable or restrain, as a person, by binding the arms, esp. by binding the arms to the body.
A gear with a small number of teeth designed to mesh with a larger geared wheel or a rack. Used in rack and pinion steering and the differential ring and pinion.
Keywords:  wing, confine, bird, feather, quill
A feather; a quill.
A wing, literal or figurative.
The joint of bird's wing most remote from the body.
A moth of the genus Lithophane, as Lithophane antennata, whose larva bores large holes in young peaches and apples.
Keywords:  fetter, arm, bind
A fetter for the arm.
bind the arms of
Keywords:  disable, joint, cutting, off
To disable by cutting off the pinion joint.