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ten·pen·ny nail(tĕn′pĕn′ē, -pə-nē)
A nail 3 inches (7.6 centimeters) long.
[From its original price per hundred.]
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.