Webster’s Revised Unabridged Dictionary · 1913
Monthly
Month′ly, a. 1. Continued a month, or a performed in a month; as, the monthly revolution of the moon.
2. Done, happening, payable, published, etc., once a month, or every month; as, a monthly visit; monthly charges; a monthly installment; a monthly magazine.
Monthly nurse, a nurse who serves for a month or some short time, esp. one which attends women after childbirth.
Month′ly, n.; pl. Monthlies. A publication which appears regularly once a month.
Month′ly, adv. 1. Once a month; in every month; as, the moon changes monthly. Shak.
2. As if under the influence of the moon; in the manner of a lunatic. [Obs.] Middleton.