Castoring nosewheel

Castoring Nosewheel. A nosewheel of a tricycle undercarriage which is not directly steerable but is free to swivel.
Castoring Tailwheel. A small wheel at the tail of an aeroplane which is free to swivel to assist manoeuvring on the ground.

During this takeoff run, the control wheel, or stick, is usually held in the neutral position, but the rudder pedals are used to keep the airplane on the runway's centreline. If the aircraft has a castoring nosewheel, ...