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Webster's Dictionary (1865)

Pil'lion, n.

noun

(pĭl'yun), n. [Eng. pile, Lat. pilus, hair; Ir. pilin, Gael. piltean, pilin. Cf. PILLOW.]

  1. A saddle without stirrups; the pad or cushion of a saddle; especially, the pad or cushion attached to the hinder part of a saddle, as a second seat, on which a woman may ride.
  2. The head-dress of a priest. Wright.