A quarterly event happens four times a year, at intervals of three months. the latest Bank of Japan quarterly survey of 5,000 companies. Quarterly is also an adverb. It makes no difference whether dividends are paid quarterly or annually
a periodical that is published every quarter of or relating to or consisting of a quarter; "quarterly report" in three month intervals; "interest is compounded quarterly" in diagonally opposed quarters of an escutcheon; "two coats of arms borne quarterly
In quarters, or quarterings; as, to bear arms quarterly; in four or more parts; said of a shield thus divided by lines drawn through it at right angles