spot check

1. A check on work performance or product quality made at random times without warning (synset 100142960)
   "spot checks ensure a high level of performance by employees"
   is a type of: check, check-out procedure, checkout - the act of inspecting or verifying

Other Searches

• Rhyme: Dillfrog, RhymeZone
• Definition: Wiktionary, Dictionary.com, Wikipedia, Merriam-Webster, WordNet, Power Thesaurus
• Imagery: Google, Flickr, Bing