1. To go upward with gradual or continuous progress; SYN. climb up, mount, go up.
2. To move with difficulty, by grasping.
3. To slope upward.

(Homonym: clime).
1. An event that involves rising to a higher point (as in altitude or temperature or intensity etc.); SYN. climbing, mounting.
2. The act of climbing something; SYN. mount.