Pronunciation: (munth'lē), [key]
—adj., n., pl. -lies,
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.
1. a periodical published once a month.
2. Sometimes, monthlies. Informal.a menstrual period.
once a month; by the month.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.