What is Crib ?
Crib is (noun) 1. US a baby’s bed 2. a model of the scene of the first Christmas dis played in a church at Christmastime 3. a word-for-word translation or list of answers to help a student with homework(verb) to copy something (informal.) Synonym cheat (NOTE: cribbing – cribbed)
source: Easier English, Student Dictionary Upper Intermediate Level