Defn: Pilotage; skill in the duties of a pilot. [R.]

PILOT LAMP; PILOT LIGHT
Pilot lamp or light . (Elec.)

Defn: A small incandescent telltale lamp on a dynamo or battery circuit to show approximately by its brightness the voltage of the current.

PILOT VALVE
Pilot valve. (Hydraulics)

Defn: A small hand-operated valve to admit liquid to operate a valve difficult to turn by hand.

PILOT WHEEL
Pilot wheel. (Mach.)

Defn: A wheel, usually with radial handles projecting from the rim, for traversing the saddle of a machine tool, esp. an automatic machine tool, by hand.

PILOUR
Pil"our, n.

Defn: A piller; a plunderer. [Obs.]

PILOUS
Pil"ous, a.