Rhythm \Rhythm\, n. [F. rhythme, rythme, L. rhythmus, fr. Gr.
   ??? measured motion, measure, proportion, fr. "rei^n to flow.
   See {Stream}.]
   1. In the widest sense, a dividing into short portions by a
      regular succession of motions, impulses, sounds, accents,
      etc., producing an agreeable effect, as in music poetry,
      the dance, or the like.
      
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   2. (Mus.) Movement in musical time, with periodical
      recurrence of accent; the measured beat or pulse which
      marks the character and expression of the music; symmetry
      of movement and accent. --Moore (Encyc.)
      
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   3. A division of lines into short portions by a regular
      succession of arses and theses, or percussions and
      remissions of voice on words or syllables.
      
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   4. The harmonious flow of vocal sounds.
      
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