See allotment.
·noun A publication which appears regularly once a month. II. Monthly ·adv Once a month; in every m...
Webster's Dictionary of the English Language
A sum paid monthly to warrant and petty officers not allowed to draw bills; and to seamen, marines, ...
The Sailor's Word-Book
A book kept by the captain's clerk, to be forwarded every two months, when possible, in order to pre...