Definition of upclimber:
(n) :
Someone or something that climbs (such as a mountain climber).
(n) :
(botany) A plant such as a vine that climbs upwards as it grows by attaching itself to some support.
(n) :
(cycle racing) A cyclist who specializes in riding especially well on steep hills or roads.
(n) :
Something that is used for climbing.
(n) :
(chiefly Canada) Any structure on a playground designed to be climbed on.
(n) :
(figurative, derogatory) A person who is constantly trying to get ahead socially.