oc·ta·vo
| \ äk-ˈtā-(ˌ)vō
, -ˈtä-
\
, -ˈtä-
\
plural octavos
Definition of octavo
: the size of a piece of paper cut eight from a sheet
also
: a book, a page, or paper of this size
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“Octavo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/octavo. Accessed 25 Jun. 2022.
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Time Traveler for octavo
The first known use of octavo was in 1582
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