Longman Dictionary of Contemporary English homepage

homeland security

noun
     
homeland security [uncountable]
actions taken by the US government after the terrorist attacks of September 11th, 2001 to prevent terrorism within the US. These actions include watching people who are thought to be involved in terrorist activities, and putting them in prison if necessary. They also include preparations for using the army, police, doctors etc immediately if there is a terrorist attack.

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary