Search Result for "exclusionary rule":
Wordnet 3.0

NOUN (1)

1. a rule that provides that otherwise admissible evidence cannot be used in a criminal trial if it was the result of illegal police conduct; 



WordNet (r) 3.0 (2006):

exclusionary rule
    n 1: a rule that provides that otherwise admissible evidence
         cannot be used in a criminal trial if it was the result of
         illegal police conduct