noun the basic rhythmic unit in a piece of music
noun recurring at regular intervals
Synonymsregular recurrence
noun the arrangement of spoken words alternating stressed and unstressed elements
Synonymsspeech rhythm
noun 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)
Source: WordNet 3.1, Princeton University
