In general, this would be any subdivion of the standard second -- a unit of time.

It is also the name of a movie with Rutger Hauer, in which he chases a big bad monster. Best line: "We need bigger guns. Bigger F**KING GUNS!"

"What am I supposed to do? Put out an APB on the prince of darkness? Answers to the name of 'Lucifer'!"

His partner is a geek named Derkin. But he gets laid every night, so its okay.