A pipe formed so as to be a seal against the passage of gases.

plural of running block

A block in an arrangement of pulleys.

plural of running time

plural of running therapy

A style of rapid handwriting without lifting the pen. / (dated) Running script; xingshu.

A disease in the feet of horses.

(military) The route of a bomber as it approaches its target; a sortie of a bomber

Any of the days occupied on a voyage, etc., under a charter, including Sundays.

A fight kept up between one party that flees and another that pursues.