Lift

The lifting force on a flying object (in particular, a wing or an aircraft), due to its motion relative to the surrounding air. Lift is one of the four forces sensed by an airplane, the others being drag, thrust and weight.

The lift generated by a wing is based on the principle that the pressure in a fluid decreases as its velocity increases (Bernoulli′s Principle):

See also: Downforce, Lift Coefficient.

Further reading:
• Mechanics of Flight, D.R. Philpott, A.C. Kermode, R.H. Barnard, Prentice-Hall