seˈcurity ˌservice BrE AmE noun [countable]
a government organization that protects a country’s secrets against enemy countries, or protects the government against attempts to take away its power
seˈcurity ˌservice BrE AmE noun [countable]
a government organization that protects a country’s secrets against enemy countries, or protects the government against attempts to take away its power
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012