1. (a.) Containing of a fourth part; at three month intervals; as, quarterly seasons\.

2. (a.) Recurring during, or at the end of, each quarter; as, quarterly payments of rent; a quarterly meeting.

3. (n.) A periodical work published once a quarter, or four times in a year.

4. (adv.) By quarters; once in a quarter of a year; as, the returns are made quarterly.

5. (adv.) 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.

annual biannual biennial bimonthly biweekly catamenial centenary centennial daily daybook decennial diary diurnal ephemeris fortnightly gazette hebdomadal hourly journal magazine menstrual momentary momently monthly newsmagazine organ periodical pictorial quotidian review secular semestral semiannual semimonthly semiweekly semiyearly serial slick magazine tertian trade magazine triennial weekly yearbook yearly