Pick out random samples for examination in order to ensure high quality(verb)
WordNet. Princeton University. 2010.
Use "spot-check" in a sentence
"Smaller cable operators will have fewer obligations to spot-check their channels to ensure commercials are at the same volume as TV programs."
"They'll be required to spot-check channels and make sure the new rules are being followed."
""What needs to be done is monitor the radiation levels in the evacuation zone and spot-check individuals there," said Paul DeLuca, a medical physicist who is provost of the University of Wisconsin-Madison."