[{"id":"00854775-n","lexname":"noun.act","members":[{"lemma":"rhythm method of birth control","sense":{"id":"rhythm_method_of_birth_control%1:04:00::"},"poskey":"n"},{"lemma":"rhythm method","sense":{"id":"rhythm_method%1:04:00::"},"poskey":"n"},{"lemma":"rhythm","sense":{"id":"rhythm%1:04:00::"},"pronunciation":[{"value":"ˈɹɪ.ð(ə)m"}],"poskey":"n"},{"lemma":"calendar method of birth control","sense":{"id":"calendar_method_of_birth_control%1:04:00::"},"poskey":"n"},{"lemma":"calendar method","sense":{"id":"calendar_method%1:04:00::"},"poskey":"n"}],"definition":["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)"],"ili":"i39880","partOfSpeech":"n","hypernym":["00853319-n"]}]