The Collaborative International Dictionary of English v.0.48:

Spicer \Spi"cer\, n. [Cf. OF. espicier, F. ['e]picier.]
   1. One who seasons with spice.
      [1913 Webster]

   2. One who deals in spice. [Obs.] --Piers Plowman.
      [1913 Webster]