adjective
He has the lean leggy build typical of a runner
The Kanes tried for years to eke a living from the lean soil
The Depression was a lean period for most people
verb
She leant her head on his shoulder
Isn't that pole leaning over too much?
She leans towards conservatism when it comes to morality
lean on
You can lean on me if you need help
Sometimes the gang would lean on a shopkeeper who refused to pay for 'protection'
US