Climber

Climb"er (?), n. One who, or that which, climbs: (a) (Bot.) A plant that climbs. (b) (Zoöl.) A bird that climbs, as a woodpecker or a parrot.

Climb"er, v. i. [From Climb; cf. Clamber.] To climb; to mount with effort; to clamber. [Obs.] Tusser.