flat back


a book spine presenting a completely flat surface.
a book bound with such a spine.

Nearby words

  1. flask,
  2. flasket,
  3. flat,
  4. flat arch,
  5. flat as a pancake,
  6. flat bond,
  7. flat bone,
  8. flat broke,
  9. flat bug,
  10. flat cap

Origin of flat back

First recorded in 1900–05

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019