n. small pivoted window in the side of a car, carriage, etc. quarterly adj. produced or occurring once every quarter of a year. adv. once every quarter of a year. n. (pl. ies) quarterly journal.
n. small pivoted window in the side of a car, carriage, etc. quarterly adj. produced or occurring once every quarter of a year. adv. once every quarter of a year. n. (pl. ies) quarterly journal.