say it: RITH-uhm
rhythm is a noun meaning "the basic rhythmic unit in a piece of music". It carries 5 recorded senses.
the basic rhythmic unit in a piece of music
“the piece has a fast rhythm”
“the conductor set the beat”
recurring at regular intervals
an interval during which a recurring sequence of events occurs
“the never-ending cycle of the seasons”
the arrangement of spoken words alternating stressed and unstressed elements
“the rhythm of Frost's poetry”
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)
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for rhythm come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.