from The American Heritage® Dictionary of the English Language, 4th Edition
- suffix Used after numerals to indicate the number of leaves that results from folding a sheet of paper: twelvemo.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- suffix Used to form page and book sizes.
from the GNU version of the Collaborative International Dictionary of English
- A suffix added to the names of certain numerals or to the numerals themselves, to indicate the number of leaves made by folding a sheet of paper. It is taken from the Latin forms similarly used; A small circle, placed after the number and near its top, is often used for -mo; as, 16°, 18°, etc.
Although the account, like the president's tweets, will be managed by aides, any messages that the first lady decides to send herself will be signed "-mo," according to one of the messages sent on Thursday.
Look forward to staying in touch with you here. -mo
It is managed by the president's re-election campaign, with any tweets from the first lady herself to be signed "-mo."
Look forward to staying in touch with you here. -mo.'
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