Coming as fast as one can, often in a harried state.

A slip knot.

plural of running knot

A tee pipe fitting with female connections on one straight end and the branch, and a male connection on the other straight end.

(computing) Of, relating to, or happening during run time.

(computing) Alternative form of run time

(computing) The stage during which a program is executing. / (computing) The amount of time during which a program is executing.

present participle of run out

plural of run-in

plural of run out