ˌspecial ˈinterest ˌgroup BrE AmE noun [countable]
a group of people who share the same political or business aims, and who try to influence the government to help them with those aims
ˌspecial ˈinterest ˌgroup BrE AmE noun [countable]
a group of people who share the same political or business aims, and who try to influence the government to help them with those aims
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012