资料来源 : Webster's Revised Unabridged Dictionary (1913)

Piste \Piste\, n. [F., fr. L. pisere, pinsere, pistum, to
   pound.] (Min.)
   The track or tread a horseman makes upon the ground he goes
   over. --Johnson.

资料来源 : WordNet®

piste
     n : a ski run densely packed with snow