quarterly — ODE

quarterly /ˈkwɔːtəli

▸ adjective

1 done, produced, or occurring once every quarter of a year:

a quarterly newsletter is distributed to members.

2 Heraldry (of a shield or charge) divided into four (or occasionally more) subdivisions by vertical and horizontal lines.

▸ adverb

1 once every quarter of a year:

interest is paid quarterly.

2 Heraldry in the four, or in two diagonally opposite, quarters of a shield.

[on the pattern of Old French quartile]

▸ noun

(plural quarterlies)

a magazine or journal that is published four times a year.