1. (v. i.) To ascend or mount laboriously, esp. by use of the hands and feet.

2. (v. i.) To ascend as if with effort; to rise to a higher point.

3. (v. i.) To ascend or creep upward by twining about a support, or by attaching itself by tendrils, rootlets, etc., to a support or upright surface.

4. (v. t.) To ascend, as by means of the hands and feet, or laboriously or slowly; to mount.

5. (n.) The act of one who climbs; ascent by climbing.