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. ]
His [ a soldier's ] shank pillion without stirrups. Spenser. [ 1913 Webster ]
n. An ointment or pomatum made of black poplar buds. [ Obs. ] Cotgrave. [ 1913 Webster ]