To move forward quickly upon two feet by alternately making a short jump off of either foot, compare: walk
the continuous period of time during which something (a machine or a factory) operates or continues in operation; "the assembly line was on a 12-hour run"
When a machine is running or when you are running it, it is switched on and is working. We told him to wait out front with the engine running. with everybody running their appliances all at the same time
To strike (the ball) in such a way as to cause it to run along the ground, as when approaching a hole
run, stand, or compete for an office or a position; "Who's running for treasurer this year?"
carry out a process or program, as on a computer or a machine; "Run the dishwasher"; "run a new program on the Mac"; "the computer executed the instruction"
"individual tread run" is the horizontal distance from the back of the tread to the front of the tread, disregarding the overlap or nosing of the tread "Entire stairway run" is the horizontal distance from the loft edge to the front of the first tread
progress by being changed; "The speech has to go through several more drafts"; "run through your presentation before the meeting"