/munth"lee/ , adj., n., pl. monthlies , adv.
adj.
1. pertaining to a month, or to each month.
2. done, happening, appearing, etc., once a month: a monthly magazine.
3. computed or determined by the month: a monthly salary.
4. continuing or lasting for a month.
n.
5. a periodical published once a month.
6. Sometimes, monthlies . Informal. a menstrual period.
adv.
7. once a month; by the month.
[ 1525-35; MONTH + -LY ]