- a direct primary in which only persons meeting tests of party membership may vote.
Origin of closed primary
An Americanism dating back to 1940–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- US government a primary in which only members of a particular party may voteCompare open primary
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.