quarterly

nouns

a periodical that is published every quarter (or four issues per year)
quarterly
is a type of (narrower)
a periodical that appears at scheduled times
serial, serial publication, series

adjectives

of or relating to or consisting of a quarter
"quarterly report"
quarterly
is derived from
quarter
pertains to
quarter

adverbs

in diagonally opposed quarters of an escutcheon
"two coats of arms borne quarterly"
quarterly
in three month intervals
"interest is compounded quarterly"
every quarter, quarterly