n.
1.the basic rhythmic unit in a piece of music
2.recurring at regular intervals
3.an interval during which a recurring sequence of events occurs
4.the arrangement of spoken words alternating stressed and unstressed elements
5.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)
Idiom of the Day
a tower of strength
a person who provides strong and reliable support
The man has been a tower of strength to his sister since her husband died.