Lean (verb)

1. To incline or bend from a vertical position.
2. To rely on something for support.
3. To move or cause to move into a sloping position.

Origin:

Old english hleonian "incline, bend", of germanic origin; related to dutch leunen and german lehnen.

Examples:

1. He leaned against the wall.
2. She leaned in to hear him better.
3. The tower is leaning to one side.
4. He leaned on his cane.
5. The tree was leaning in the wind.