Simple Definition of think tank
: an organization that consists of a group of people who think of new ideas on a particular subject or who give advice about what should be done
Full Definition of think tank
: an institute, corporation, or group organized for interdisciplinary research (as in technological and social problems) —called also think factory
First Known Use of think tank
Seen and Heard
What made you want to look up think tank? Please tell us where you read or heard it (including the quote, if possible).