obstruction : Idioms & Phrases
intestinal obstruction
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noun blockage of the intestine (especially the ileum) that prevents the contents of the intestine from passing to the lower bowel
ileus.
WordNet
obstruction of justice
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noun impeding those who seek justice in a court (as by trying to influence or intimidate any juror or witness or officer of the court); can result in a finding of contempt of court
