Definitions
1.VerbTo record the departure or withdrawal of someone or something (such as guests, employees, books, etc.)."He checked his favorite mystery out for the twenty-third time.; The desk clerk checked out the family that had been staying in room 322."
2.VerbTo record one's departure from a workplace, hotel, restaurant, etc."Be sure to check out of the hotel before noon.; I'm done shopping, so I'll go check out now."
3.VerbTo examine, inspect, look at closely, ogle; to investigate; to gather information so as to make a decision."He was hanging out at the beach, checking out the young women in bikinis.; He checked out the rumor, and managed to verify that it was true.; Check it out! Best prices in town.; Check this out! They just arrested the Mayor!"
4.VerbTo obtain source code (or other material) from a source control repository so that one can modify it (and often later check in the modified version back).
5.VerbTo become uninterested in an activity and cease to participate in more than a perfunctory manner; to become uncooperative.
6.VerbTo become catatonic or otherwise nonresponsive.
7.VerbTo leave in a hurry.
8.VerbTo die.
9.VerbTo prove (after an investigation) to be the case, or to be in order."The first two leads check out; I'll assume the third one is also valid.; Their stories checked out."
10.VerbTo visit the oche for the last time and clear one's remaining points to win the game.