(of a mechanism) Moving freely and smoothly.

The total number of copies (of a book or newspaper) printed

Used other than figuratively or idiomatically: see run, exercise. / (simile, US, colloquial, politics) To run for political office with little chance of success.

plural of run-awayer

(rare) A runaway; an escapee.

(intransitive) To be nearly used up or consumed, so that little remains.

(aviation) To fly below the bases of low clouds and close to the ground in an attempt to maintain external visual reference in weather ordinarily considered too poor for visual flying.

present participle of scud run

A list of procedures or events organized in chronological order.

present participle of run errands