messagery en · NOUN
Etymology
From message + -ery.
Meanings
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(uncountable) Messages collectively.
Vigenère was a well-connected man of noble birth, writer of many books, a secretary to ambassadors and kings. As such, and especially during his years in Rome, he was exposed to the latest and most intricate in coded messagery.
2021, Jordan Ellenberg, Shape: The Hidden Geometry of Absolutely Everything:[…] painter Allan Harrison, creator of superb posters and other visual "messagery" […]
1978, Wendell MacLeod, Stanley Ryerson, Libbie Park, Bethune: The Montreal Years, page 150: