Definition of "homeland security" [homeland security]

• The federal department that administers all matters relating to homeland security (noun)

WordNet. Princeton University. 2010.

• "For instance, when a massive jihadist plot to blow up ten airliners over the Atlantic and kill thousands was foiled in 2006, then-chief of homeland security Michael Chertoff briefed his agency using only the word extremists to describe the plotters—no mention of Islam."
• ""It was clear from the beginning that Southers was extremely well-qualified for this critical homeland security post," the NTEU said in a statement on its website."
• "He turned up the volume: A CNN anchor was talking about a provision that had been inserted surreptitiously into a just-passed 475-page homeland security bill."