the world > relative properties > wholeness > mutual relation of parts to whole > fact or action of being joined or joining > attachment > [noun] > adhesion > produced by friction (3)
Mechanics. The frictional grip of a wheel on a rail, road surface, etc.; the friction that gives rise to this; spec. (in a railway engine) the…
The grip or hold of an edge surface in various mechanical contrivances. Also fig.
The action of bind, v. in various senses.