What is throw-out?

throw-out meaning in Information Science terminology / glossary / dictionary is:

A leaf larger than the book block, usually bearing a map, table, diagram, wide-angle photograph, or other illustration, sewn or tipped in and folded so that it can be opened out for reference while the corresponding text is read. Click here to see a hand-colored woodcut foldout landscape in Breydenbach’s Pilgrimage published in Mainz in 1486, courtesy of the Smithsonian Institution, and here to see an example the folds out in two directions. Also spelled throwout. Synonymous with fold-out and pull-out. See also: gatefold.


reference: ABC-CLIO