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flat back

American  

noun

  1. a book spine presenting a completely flat surface.

  2. a book bound with such a spine.


Etymology

Origin of flat back

First recorded in 1900–05

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.

See Examples For:

Others felt it was slight, until Lisandro Martinez came on for Leny Yoro in the second-half and United definitely reverted to a flat back four.

From BBC Dec. 15, 2025

Another option is to use a type of channel shaped like quarter-round molding, with a flat back and base at a right angle and a curved piece connecting the two.

From Washington Post Aug. 8, 2021

He would sacrifice Neil Taylor, much to the Wales international’s disgust, and revert to a flat back four before the interval but by then the team were playing catch-up.

From The Guardian Sep. 11, 2016

Every instinct I have tells me to turn the rounded front to my palm and the flat back to my face — because nearly every smartphone to date has been thus designed.

From The Verge Mar. 31, 2015

It was about shoulder height to her, with a flat back.

From "Homecoming" by Cynthia Voigt

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