run(noun)

the act of running

He went for a run before breakfast.

run(verb)

(of a person or animal) to move quickly, faster than walking

He ran down the road.

run(noun)

a trip or drive

We went for a run in the country.

run(verb)

to move smoothly

Trains run on rails.

run(noun)

a length of time (for which something continues)

He's had a run of bad luck.

run(verb)

(of water etc) to flow

Rivers run to the sea; The tap is running.

run(noun)

a ladder (in a stocking etc)

I've got a run in my tights.

run(verb)

(of a machine etc) to work or operate

The engine is running; He ran the motor to see if it was working.

run(noun)

the free use (of a place)

He gave me the run of his house.

run(verb)

to organize or manage

He runs the business very efficiently.

run(noun)

in cricket, a batsman's act of running from one end of the wicket to the other, representing a single score

He scored/made 50 runs for his team.

run(verb)

to race

Is your horse running this afternoon?

run(noun)

an enclosure or pen

a chicken-run.

run(verb)

(of buses, trains etc) to travel regularly

The buses run every half hour; The train is running late.

run(verb)

to last or continue; to go on

The play ran for six weeks.

run(verb)

to own and use, especially of cars

He runs a Rolls Royce.

run(verb)

(of colour) to spread

When I washed my new dress the colour ran.

run(verb)

to drive (someone); to give (someone) a lift

He ran me to the station.

run(verb)

to move (something)

She ran her fingers through his hair; He ran his eyes over the letter.

run(verb)

(in certain phrases) to be or become

The river ran dry; My blood ran cold (= I was afraid).