The Collaborative International Dictionary of English v.0.48:

Crib-biting \Crib"-bit`ing\ (kr?b"b?t`?ng), n.
   Same as Cribbing, 4.
   [1913 Webster]

Bouvier's Law Dictionary, Revised 6th Ed (1856):

CRIB-BITING. A defect in horses, which consists in biting the crib while in
the stable. This is not, considered as a breach of general warranty of
soundness. Holt's Cas. 630.