To (cause to) slope in one direction, or to move the top part of the body in a particular direction. (Cambridge Dictionary)
To incline, deviate, or bend from a vertical position. (Merriam – Webster)
To cast one’s weight to one side for support. (Merriam – Webster)
To rely for support or inspiration. (Merriam – Webster)
To incline in opinion, taste, or desire. (Merriam – Webster)
Incline from the perpendicular and rest for support against (something) (Oxford Dictionaries)
If you lean on or against someone or something, you rest against them so that they partly support your weight. If you lean an object on or against something, you place the object so that it is partly supported by that thing. (Collins Dictionary)
If you describe someone as lean, you mean that they are thin but look strong and healthy. (Collins Dictionary)
If meat is lean, it does not have very much fat. (Collins Dictionary)
Lean cup on the app store.
How to build lean muscles. Twelve steps.