adjective, adverb (mountaineering) of or in an ascent (esp in high mountains like the Himalayas) in which the climbers carry all their equipment with them in a single ascent from base to summit
mountain climbing, especially in the Alps.
a mountain climber, especially in the Alps. a downhill skier, especially one engaging in competitive slalom and downhill events. Historical Examples From that terrible alpinist issued I know not what mysterious aura which lightened and buoyed up every one. Tartarin On The Alps Alphonse Daudet The alpinist was dumfounded, silent—in him the acme of stupefaction. […]
alpo Association of Lunar and Planetary Observers