Definition of crack a book in English:

crack a book

North American informal Open a book and read it; study: they can run with a football or dunk a basketball with little concern whether they ever crack a book
More example sentences
  • Try cracking a book occasionally or move to a country where they make special accommodation for ignorant protesters such as yourself.
  • Relax in a hammock, crack a book under a tree, drink iced tea on the front porch.
  • There are cheat codes to the universe, as anyone who's cracked a book on differential calculus can tell you.
See parent entry: crack

Definition of crack a book in:

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Word of the day dinkum
Pronunciation: ˈdɪŋkəm
adjective
(of an article or person) genuine, honest, true