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ridg·lingalso ridge·ling (rĭj′lĭng)
A male animal with one or two undescended testicles.
[From obsolete ridgel, perhaps from ridge (from the belief that the undescended testicles remained near the animal's back).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.