to close, especially temporarily; end or suspend operations, services, or business activity. Did you remember to shut down your computer? Also shut down onupon. Informal. to hinder; check; stop from doing or saying something: He appeared on the talk show to shut down his critics. The team was able to shut down the offense. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.