(1):
(v. i.) To ascend or mount laboriously, esp. by use of the hands and feet.
(2):
(v. t.) To ascend, as by means of the hands and feet, or laboriously or slowly; to mount.
(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. i.) To ascend as if with effort; to rise to a higher point.
(5):
(n.) The act of one who climbs; ascent by climbing.