spot-check definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
to check or examine at random or by sampling
an act or instance of such checking
spot-check definition by American Heritage Dictionary
An inspection or investigation that is carried out at random or limited to a few instances.
- spotˈ-checkˌ verb