Source : Webster's Revised Unabridged Dictionary (1913)

Monger \Mon"ger\, n. [AS. mangere, fr. mangian to trade; akin to
   Icel. manga to trade, mangari a trader, OHG. mangari,
   mengari; cf. L. mango a dealer in slaves.]
   1. A trader; a dealer; -- now used chiefly in composition;
      as, fishmonger, ironmonger, newsmonger.

   2. A small merchant vessel. [Obs.] --Blount.

Monger \Mon"ger\, v. t.
   To deal in; to make merchandise of; to traffic in; -- used
   chiefly of discreditable traffic.

Source : WordNet®

monger
     n : someone who purchases and maintains an inventory of goods to
         be sold [syn: {trader}, {bargainer}, {dealer}]
     v : sell or offer for sale from place to place [syn: {peddle}, {huckster},
          {hawk}, {vend}, {pitch}]