The Collaborative International Dictionary
Monthlies
Monthly \Month"ly\, n.; pl. Monthlies. A publication which appears regularly once a month.
Wiktionary
monthlies
n. (plural of monthly English)
Usage examples of "monthlies".
This had to be her monthlies, the bleeding that told every girl she was ready to have babies if she wanted them.
You know how regular my monthlies have always been," she said bitterly.
Because my mother taught me courtesy, I only suggest that my monthlies will come long after your hair has escaped your head entirely.