two-step

from WordNet (r) 3.0 (2006)
two-step
    n 1: a ballroom dance in duple meter; marked by sliding steps
    v 1: dance the two-step
    
from The Collaborative International Dictionary of English v.0.48
Two-step \Two"-step`\, n.
   A kind of round dance in march or polka time; also, a piece
   of music for this dance. [U. S.]
   [Webster 1913 Suppl.]
    

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