Definition of "third house" []

• A legislative lobby. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Hugh Johnson, Grace Rodenbeau, the sage of Stoneville, what was his name, Clarence Stone, people in that group — when the third house met in the Sir Walter, they cornered me there one day on the balcony."