rotor

nouns

the rotating armature of a motor or generator
rotor, rotor coil
antonym
stator
the revolving bar of a distributor
rotor
is a part of
electrical device that distributes voltage to the spark plugs of a gasoline engine in the order of the firing sequence
distributer, distributor, electrical distributor
is a type of (narrower)
a rigid piece of metal or wood; usually used as a fastening or obstruction or weapon
"there were bars in the windows to prevent escape"
bar
rotating mechanism consisting of an assembly of rotating airfoils
"there are horizontal rotors on a helicopter or compressor rotors in a jet engine"
rotor
is a part of
an aircraft without wings that obtains its lift from the rotation of overhead blades
chopper, eggbeater, helicopter, whirlybird
is a part of
a gas turbine produces a stream of hot gas that propels a jet plane by reaction propulsion
jet engine
is a type of (narrower)
a mechanism that rotates
rotating mechanism