1. (

• 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. (

• rhythm ,
• regular_recurrence

) recurring at regular intervals ;

3. (

• cycle ,
• rhythm ,
• round ,

) an interval during which a recurring sequence of events occurs; "the never-ending cycle of the seasons" ;

4. (

• rhythm ,
• speech_rhythm

) the arrangement of spoken words alternating stressed and unstressed elements; "the rhythm of Frost's poetry" ;

5. (

• 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) ;