A quarter is another way of saying one fourth, in this setting, one fourth of a year = three months.
Quarterly means something that happens every 3 months.
Quarterly is an adjective (quarterly bills) and an adverb (paid quarterly).
The Quarterly was created in 1987.
The Quarterly ended in 1995.
The plural form of quarterly is quarterlies.
Quarterly months are:OctoberJanuaryAprilJuly
Crozer Quarterly was created in 1924.
Quarterly Essay was created in 2001.
Film Quarterly was created in 1945.
Denver Quarterly was created in 1965.
Mississippi Quarterly was created in 1948.
Americas Quarterly was created in 2005.
The Political Quarterly was created in 1930.