Definition of "leans" in English

verb

1. third-person singular simple present indicative of lean

noun

1. (aviation, with the) A dangerous sensory illusion where the pilot of an aircraft believes themselves 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.

   • If you don't use your flight instruments when flying in cloud, you can easily get the leans and enter a fatal graveyard spiral.

2. plural of lean