Source : Webster's Revised Unabridged Dictionary (1913)

Mazourka \Ma*zour"ka\, Mazurka \Ma*zur"ka\, n.
   A Polish dance, or the music which accompanies it, usually in
   3-4 or 3-8 measure, with a strong accent on the second beat.

Source : WordNet®

mazurka
     n 1: music composed for dancing the mazurka
     2: a Polish national dance in triple time