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.
The Musical Quarterly was created in 1915.
Lapham's Quarterly was created in 2007.
The Philosophical Quarterly was created in 1950.
Restoration Quarterly was created in 1957.
Denver Quarterly was created in 1965.