1. (n.)rhythm movement or procedure with uniform or patterned recurrence of a beat, accent, or the like.
2. rhythm the pattern of regular or irregular pulses caused in music by the occurrence of strong and weak melodic and harmonic beats.
3. rhythm a particular form of this: triple rhythm.
4. rhythm measured movement, as in dancing.
5. rhythm the pattern of recurrent strong and weak accents, long and short syllables, and vocalization and silence in speech.
6. rhythm Pros.
7. rhythm metrical or rhythmical form; meter.
8. rhythm a particular kind of metrical form.
9. rhythm metrical movement.
10. rhythm a patterned repetition of a motif, formal element, etc., at regular or irregular intervals in the same or a modified form.
11. rhythm Physiol. the regular recurrence of an action or function, as of the beat of the heart or the menstrual cycle.
12. rhythm the regular recurrence of particular phases, elements, etc.: the rhythm of the seasons.
13. rhythm the regular recurrence of related elements in a progression or other system of motion: the importance of rhythm in film editing.
Etymology: (1550–60; < L rhythmus < Gk rhythmós, akin to rheîn to flow)
Definition of 'rhythm'
Princeton's WordNet
1. (noun)rhythm, beat, musical rhythm the basic rhythmic unit in a piece of music "the piece has a fast rhythm"; "the conductor set the beat"
2. (noun)rhythm, regular recurrence recurring at regular intervals
3. (noun)cycle, rhythm, round an interval during which a recurring sequence of events occurs "the never-ending cycle of the seasons"
4. (noun)rhythm, speech rhythm the arrangement of spoken words alternating stressed and unstressed elements "the rhythm of Frost's poetry"
5. (noun)rhythm method of birth control, rhythm method, rhythm, calendar method of birth control, calendar method natural family planning in which ovulation is assumed to occur 14 days before the onset of a period (the fertile period would be assumed to extend from day 10 through day 18 of her cycle)
1. (noun)rhythm the pattern of beats or emphasis in music or poetry a song with a funky rhythm; Finally, the whole band was playing in rhythm.
2. rhythm a pattern that sth follows the rhythm of the ocean's tides; Pay attention to your body's rhythms.; rhythmic movements
Definition of 'rhythm'
Webster Dictionary
1. (noun)rhythm 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
2. (noun)rhythm movement in musical time, with periodicalrecurrence of accent; the measured beat or pulse which marks the character and expression of the music; symmetry of movement and accent
3. (noun)rhythm 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
4. (noun)rhythm the harmonious flow of vocal sounds
Definitions of rhythm 
Afrikaans: ritme
Arabic: وَزْن
Bulgarian: ритъм
Brazilian: ritmo
Czech: rytmus
German: der Rhythmus
Danish: rytme
Greek: ρυθμός
Spanish: ritmo
Estonian: rütm
Farsi: ضرب و ریتم
Finnish: rytmi
French: rythme
Hebrew: קֶצֶב
Hindi: ताल
Croatian: ritam
Hungarian: ritmus
Indonesian: irama
Icelandic: rytmi, taktur, hljóðfall
Italian: ritmo
Japanese: リズム
Korean: 리듬, 율동, 규칙적 반복
Lithuanian: ritmas
Latvian: ritms
Malay: irama
Dutch: ritme
Norwegian: rytme, takt
Polish: rytm
Persian: ضرب و ریتم
Pashto: اهنګ، وزن، سور، قدم (لكه 
Portuguese: ritmo
Romanian: ritm
Russian: ритм
Slovak: rytmus
Slovenian: ritem
Serbian: ritam
Swedish: rytm
Thai: จังหวะดนตรี; จังหวะสัมผัส
Turkish: ritim, dizem
Taiwanese: 韻律
Ukrainian: розмір
Urdu: بحر
Vietnamese: nhịp điệu
Chinese: 韵律
