Definition
The movable horizontal control surface at the tail of an airplane that controls pitch — the up-and-down movement of the nose. An elevator is a hinged surface attached to a fixed horizontal stabilizer; a stabilator is a one-piece horizontal tail surface where the entire surface pivots as a single unit. Both are operated by fore-and-aft movement of the control yoke or stick and produce the same effect: pulling back raises the nose, pushing forward lowers it.
Plain English
The flat surface at the back of the airplane that tilts the nose up or down when you pull or push the yoke. Some airplanes have a small hinged piece (elevator); others have the whole tail surface that moves as one piece (stabilator). They do the same job.
Context Anchor
Seen in flight control diagrams, preflight control checks, and explanations of how moving the control wheel or stick changes the airplane’s nose attitude.
Derivation
Elevator comes from the Latin elevare, meaning 'to lift up' — it lifts or lowers the nose. Stabilator is a blended word combining stabilizer (the fixed tail surface) and elevator (the moving control surface), describing a part that does both jobs in one piece.
Why Pilots Care
Pitch control is fundamental to maintaining desired airspeed, altitude, and flight path; an inoperative or misrigged elevator or stabilator directly affects safety of flight.
Intuition Check
Elevator does not mean a lifting device in a building here. It means a movable tail surface that helps control whether the airplane’s nose goes up or down. A stabilator is not an extra control; it is a different design that performs the elevator’s job.
Example Sentence 1
During the preflight inspection, the pilot checked that the elevator moved freely up and down when the yoke was pulled and pushed.
Example Sentence 2
Aircraft equipped with a stabilator move the entire horizontal tail as a single unit to produce pitch changes without a separate hinged elevator.