Definition
The point on a wing's chord line through which the total lift force produced by the wing can be considered to act. As angle of attack changes, the actual distribution of lift across the wing surface shifts, causing the center of lift to move forward or aft along the chord.
Plain English
The single spot on the wing where you can imagine all of the wing's lifting force pushing upward. It is a balance point for lift, and it moves slightly forward or backward as the wing's angle to the oncoming air changes.
Context Anchor
Seen in aerodynamics, stability, trim, and discussions of how a wing supports the airplane in flight.
Derivation
From Latin centrum (middle point) and Old English lyft (air, sky). The term names a middle point where lift acts, even though lift is actually spread across the whole wing surface.
Why Pilots Care
The location relative to the center of gravity determines pitching tendency and longitudinal stability.
Analogy
Think of several people lifting a long board at different places. You could replace all those separate lifts with one imaginary lift at the point where their combined effort balances out. The center of lift is that kind of point for a wing.
Grounding Statement
Lift is spread across the entire wing, but engineers and pilots can treat it as a single upward force acting at one point — the center of lift.
Intuition Check
Center of lift does not mean the exact middle of the wing. It means the point where the total lifting force is treated as acting, and that point can move.
Example Sentence 1
As the angle of attack increased during the climb, the center of lift moved forward along the chord.
Example Sentence 2
As angle of attack rose during the climb, the center of lift shifted forward on the wing.