Definition of "toenail" [toenail]

• The thin, horny, transparent plate covering the upper surface of the end of a toe. (noun)
• A nail driven obliquely, as to join vertical and horizontal beams. (noun)
• To secure (beams) with obliquely driven nails. (verb-transitive)

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.

• "I am, of course, only using the 'toenail' thing as an example."
• "BRECON That part of the toenail which is designed to snag on nylon sheets."
• "The most common cause of lameness is a broken toenail which is very painful for the cat."