Source : Webster's Revised Unabridged Dictionary (1913)

Licker \Lick"er\ (l[i^]k"[~e]r), n. [Cf. {Lecher}.]
   One who, or that which, licks.

   {Licker in} (Carding Machine), the drum, or cylinder, by
      which the lap is taken from the feed rollers.