[noun] [C] [informal]A crib (sheet) is a book, paper, etc. that gives some information in a quick simple way. It can also be something used dishonestly by students in an exam.(informal) A crib is also a piece of work copied dishonestly from someone else's work.Her answers seemed to be full of cribs.
CRIB
Meaning of CRIB in English
Cambridge English vocab. Кембриджский английский словарь. 2012