rotating shaft(n = noun.artifact) shaft - a revolving rod that transmits power or motion;
is a kind of rod
is a part of rotating mechanism
has particulars: camshaft, crankshaft, driveshaft, arbor, mandrel, mandril, spindle, transmission shaft

air shaft, butt shaft, elevator shaft, lay shaft, rock shaft, rotating mechanism, rotor shaft, shaft, shaft louse, shaft of light, transmission shaft, ventilation shaft, way shaft