资料来源 : pyDict

妇女用马鞍,后部座位

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

Pillion \Pil"lion\, n. [Ir. pillin, pilliun (akin to Gael.
   pillean, pillin), fr. Ir. & Gael. pill, peall, a skin or
   hide, prob. fr. L. pellis. See {Pell}, n., {Fell} skin.]
   A panel or cushion saddle; the under pad or cushion of
   saddle; esp., a pad or cushion put on behind a man's saddle,
   on which a woman may ride.

         His [a soldier's] shank pillion without stirrups.
                                                  --Spenser.

资料来源 : WordNet®

pillion
     n : a seat behind the rider of a horse or motorbike etc.