Source : Webster's Revised Unabridged Dictionary (1913)

Cotter \Cot"ter\, Cottar \Cot"tar\ (k?t"t?r), n. [LL. cotarius,
   cottarius, coterius. See {Cot}.]
   A cottager; a cottier. --Burns.

         Through Sandwich Notch the West Wind sang Good morrow
         to the cotter.                           --Whittier.

Source : WordNet®

cottar
     n 1: a peasant farmer in the Scottish highlands [syn: {cotter}]
     2: fastener consisting of a wedge or pin inserted through a
        slot to hold two other pieces together [syn: {cotter}]