What is to incline, deviate, or bend, from a vertical position; to be in a position thus inclining or deviating; as, she leaned out at the window; a leaning column. "He leant forward." Dickens called?

lean — To incline, deviate, or bend, from a vertical position; to be in a position thus inclining or deviating; as, she leaned out at the window; a leaning column. "He leant forward." Dickens. (Webster's 1913.)