quarter-hourEnglishOxford New American Dictionaryquarter-hour /ˌkwôrdərˈou(ə)r, ˌkwɔrdərˈaʊ(ə)r / (also quarter of an hour) ▸ noun a period of fifteen minutes. ▪ a point of time fifteen minutes before or after any hour: a carriage clock chimed the quarter-hour.
EnglishOxford New American DictionaryEnglishOxford New American Dictionary
EnglishOxford New American Dictionary