#1 lean v. [tilt, tip, slant, angle] to incline or bend from a vertical position; "She leaned over the banister". wn
#2 lean v. cause to lean or incline; "He leaned his rifle against the wall". wn
#3 lean a. [thin] lacking excess flesh; "you can't be too rich or too thin"; "Yon Cassius has a lean and hungry look"-Shakespeare. wn
#4 lean v. [tend, be given, incline, run] have a tendency or disposition to do or be something; be inclined; "She tends to be nervous before her lectures"; "These dresses run small"; "He inclined to corpulence". wn
#5 lean v. rely on for support; "We can lean on this man". wn
vizzz