Definition of "Running" :

noun: the act of running; traveling on foot at a fast pace

noun: the act of participating in an athletic competition involving running on a track

noun: (American football) a play in which a player attempts to carry the ball through or past the opposing team

"The coach put great emphasis on running."

noun: the act of administering or being in charge of something

"He has responsibility for the running of two companies at the same time."

noun: the state of being in operation

"A running engine."

adjective: continually repeated over a period of time

"A running joke among us."

adjective: (of e.g. a machine) performing or capable of performing

"In running (or working) order."

adjective: executed or initiated by running

"Running plays worked better than pass plays."

adjective: (of fluids) moving or issuing in a stream

"As mountain stream with freely running water."

adjective: of advancing the ball by running

"The team's running plays worked better than its pass plays."

adjective: measured lengthwise

"Cost of lumber per running foot."