Search Result for "spot check":
Wordnet 3.0

NOUN (1)

1. a check on work performance or product quality made at random times without warning;
- Example: "spot checks ensure a high level of performance by employees"



WordNet (r) 3.0 (2006):

spot check
    n 1: a check on work performance or product quality made at
         random times without warning; "spot checks ensure a high
         level of performance by employees"