Cribbing :: Cribbing (n.) A framework of timbers and plank backing for a shaft lining, to prevent caving, percolation of water, etc..
Cribbing :: Cribbing (n.) A vicious habit of a horse; crib-biting. The horse lays hold of the crib or manger with his teeth and draws air into the stomach with a grunting sound.
Ribbing :: Ribbing (n.) An assemblage or arrangement of ribs, as the timberwork for the support of an arch or coved ceiling, the veins in the leaves of some plants, ridges in the fabric of cloth, or the like..