Source : Webster's Revised Unabridged Dictionary (1913)

Peasant \Peas"ant\, n. [OF. pa["i]sant (the i being perh. due to
   confusion with the p. pr. of verbs), pa["i]san, F. paysan,
   fr. OF. & F. pays country, fr. L. pagus the country. See
   {Pagan}.]
   A countryman; a rustic; especially, one of the lowest class
   of tillers of the soil in European countries.

   Syn: Countryman; rustic; swain; hind.

Peasant \Peas"ant\, a.
   Rustic, rural. --Spenser.

Source : WordNet®

peasant
     n 1: a country person [syn: {provincial}, {bucolic}]
     2: one of a (chiefly European) class of agricultural laborers
     3: a crude uncouth ill-bred person lacking culture or
        refinement [syn: {barbarian}, {boor}, {churl}, {Goth}, {tyke},
         {tike}]