Crib  —n. 1 a baby's small bed or cot. B model of the nativity with a manger. 2 rack for animal fodder. 3  colloq. A translation of a text used by students. B plagiarized work etc. 4 colloq. A cribbage. B set of cards given to the dealer at cribbage. —v. (-bb-) (also absol.) 1 colloq. Copy unfairly. 2 confine in a small space. 3 colloq. Pilfer. [old english]