Definition of "run-on"

Continuing on where a rhetorical pause would be more appropriate.  examples

Placed or coming at the end of something, such as at the end of a dictionary entry.  examples

(soccer, rugby, etc.) An amount of time spent playing on the field during a game, especially so as to evaluate a player's abilities.  examples

A run-on sentence.  examples

Anything that runs on, such as a run-on entry in a dictionary.  examples

(machining) The period when a power saw or other tool continues to run after being powered off.  examples