quarto

IPA: kwˈɔrtoʊ

(paper) A size of paper (7.5"-10" x 10"-12.5" or 190-254 x 254-312 mm). Formed by folding and cutting one of several standard sizes of paper (15"-20" x 20"-25" or 381-508 x 508-635 mm) twice to form 4 leaves (eight sides).
(UK) Quarto writing paper (10 inches x 8 inches)
(printing) A book size, corresponding to the paper size.

Examples of "quarto" in Sentences

They form six volumes in quarto; and as Basil is the worst, so
Ephorus, in quarto historiarum libro, orbem terrarum inter Scythas,
India, being used in what we should call quarto sheets, and in Farther
I print the book at my own expense, in quarto, which is to be sold for six shillings, with the music.
Latin, Lipsiae, 1766, in quarto, with the learned notes of Kochler and Reiske, and some extracts of geography and natural history from
The remainder of the first period has filled two volumes in quarto, being the third, fourth, fifth, and sixth volumes of the octavo edition.]
Shakespeare's "Pericles" exists only in a lousy quarto, which is so badly transcribed scholars assume it was done by someone jotting down the script from memory after having seen the show (the early modern equivalent of the grainy pirated videos you can buy on the subway).
In May, 1905, was celebrated at St. Louis, Mo., his twenty-fifth anniversary as bishop in the church, which proceedings of this Silver Jubilee have been published in a journal called the quarto-centennial that will do ample justice to this great hero which, with our feeble pen we are unable to do.
Although the book is of the size called quarto, the method of printing must have been page by page, so it is doubtful that each sheet was folded twice in the usual quarto manner, but more probable that it was printed four pages to a sheet of paper approximately 9 1/8 by 14 inches, which was folded once.