What is the meaning of Cribbing?

present participle and gerund of crib

The members used to build a (structural) crib, usually of timbers or logs, but also of concrete, steel or even plastic; cribwork.

As a whole, the heavy structure built to support an existing structure from underneath, as with a mineshaft or when raising a building off its foundation, as for moving to another location,

The cribbing used to support anything from below or on a side, as with a retaining wall, or to prop up a piece of heavy machinery.

A self-injurious tendency of certain horses to swallow air while slobbering and biting onto objects in and about their enclosure; cribbing and windsucking are regarded as equine forms of obsessive-compulsive disorder.

An act of plagiarism.

Source: wiktionary.org