Real Dictionary

run
verb: If you run a wire or tube somewhere, you fix it or pull it from, to, or across a particular place.
verb: If you run something through a machine, process, or series of tests, you make it go through the machine, process, or tests.
verb: If you run your hand or an object through something, you move your hand or the object through it.
verb: If you say that something long, such as a road, runs in a particular direction, you are describing its course or position. You can also say that something runs the length or width of something else.
verb: When a horse runs in a race or when its owner runs it, it competes in a race.
verb: When someone runs in a race, they run in competition with other people.
verb: When you run, you move more quickly than when you walk, for example because you are in a hurry to get somewhere, or for exercise.

run in American English
to go by moving the legs rapidly, faster than in walking, and (in a two-legged animal) in such a way that for an instant both feet are off the ground
intransitive verb: to go quickly by moving the legs more rapidly than at a walk and in such a manner that for an instant in each step all or both feet are off the ground
transitive verb: to move or run along (a surface, way, path, etc.)

run in British English
verb: (of a two-legged creature) to move on foot at a rapid pace so that both feet are off the ground together for part of each stride

run in the Oil and Gas Industry
noun: A run is the act of putting equipment into a well.