flat back

American  

noun

1. a book spine presenting a completely flat surface.

2. a book bound with such a spine.

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Etymology

Origin of flat back

First recorded in 1900–05

Example Sentences

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

He says he stayed in a hotel suite that was bigger than his flat back home in Aberdeen - something he had never experienced during his own boxing career.

From BBC

The season started with a flat back four, which changed into a back five at half-time of the second game of the season, at Real Sociedad.

From BBC

Instead of her favoured flat back four, England set up with a back three - and it worked almost instantly.

From BBC

Dismay streaked up Purgatory Hill, his ears flat back against his head, the whites of his eyes wild and terrified.

From Literature