The property of being lean, without excess or fat.

plural of leaning

Used other than figuratively or idiomatically: see lean, on. / (figuratively) To depend upon for support; to require assistance from.

(aviation, with the) A dangerous sensory illusion where the pilot of an aircraft believes themself to be in a bank when they are actually wings-level, or vice-versa, often resulting in spatial disorientation and loss of control of the aircraft.

Third-person singular simple present indicative form of lean

A tendency or propensity.

simple past tense and past participle of lean

present participle of lean

A shelter with a sloped roof; also a building with a similar construction attached to the side of a building as an extension.

To thin out (a fuel-air mixture): to reduce the fuel flow into the mixture so that there is more air or oxygen.