quarter
noun [ C ]
uk/ˈkwɔːtər/ us( abbreviation Q); ( abbreviation qtr) FINANCE, ACCOUNTING
a period of three months in a company's financial year:
Sales have climbed significantly each quarter.
Unquoted companies accounted for 23% of assets at the end of the last quarter.
first/second/third quarter The fall was 8% in the first quarter and only 2% in the second.