Dictionary.com
Thesaurus.com

elephant folio

American  

noun

Printing.
  1. a very large folio.

  2. an American book size with a height measurement between 24 and 25 inches (61 and 63.5 centimeters).


Etymology

Origin of elephant folio

First recorded in 1875–80

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

There is a set of James Bateman’s “Orchids of Mexico and Guatemala,” 40 elephant folio plates and the largest botanical book ever published.

From Washington Post

Bound together, the original collection of prints is called the "double elephant folio" because the handmade paper pages are one meter tall by 72.4 centimeters wide.

From Scientific American

Less than 200 copies of the elephant folio were ever made.

From Scientific American

An original edition of Audubon's book, known as the double elephant folio, is also being shown.

From Seattle Times

After finding the ship Candace, I would then go to Dennis Wood’s stack of larger, elephant folio and equally maroon “Abstracts” – listed by Volume, Part, Pages; the Candace is mentioned in Wood’s 1832 – 1847, VOL.

From Salon