Alpestrian|ælˈpɛstrɪən| [f. L. alpestri-s alpine + -an. Cf.pedestrian.] An Alpine climber. 1861Peaks, Passes, etc. I. 148 My companion was..an Alpestrian known to most Swiss readers.1863Macm. Mag. Sept. 393 It has become a proverb with alpestrians that impracticable means unattempted.