To copy or plagiarize from another's work, especially surreptitiously. He was caught cribbing answers from his classmate during the exam.
To confine or restrict, as if in a crib. The new regulations cribbed the company's ability to expand its operations.
(Of a horse) to bite a solid object and suck in air, a habit known as wind-sucking. The mare began to crib on the fence rail whenever she was left alone.