Also found in: Thesaurus.
four·pen·ny nail(fôr′pĕn′ē, -pə-nē)
A nail 1.5 inches (3.8 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.