"climber" in the noun sense
1. climber
a vine or climbing plant that readily grows up a support or over other plants
2. social climber, climber
someone seeking social prominence by obsequious behavior
3. mounter, climber
someone who ascends on foot
"a solitary mounter of the staircase"
4. climber
someone who climbs as a sport especially someone who climbs mountains
"the lead climber looked strong still but his partner often slumped in his ropes"
5. crampon, crampoon, climbing iron, climber
an iron spike attached to the shoe to prevent slipping on ice when walking or climbing
Source: WordNet® (An amazing lexical database of English)
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