D defs.my
Entry 2 senses · 2 variants Webster, 1913

paperback

/(pā"pẽr*băk`)/ · pa·per·back · IPA /ˈpeɪ.pɚˌbæk/
01 n. A book with paper covers; -- contrasted with hardback or hardcover.
  1. 1.
    A book with paper covers; -- contrasted with hardback or hardcover.
02 adj. having a flexible binding; -- of books. Contrasted to hardcover or hardbacked or hardbound.
  1. 1.
    having a flexible binding; -- of books. Contrasted to hardcover or hardbacked or hardbound.