A hobnail is a short nail with a thick head: used to increase the durability of boot soles.

Look up hobnail in Wiktionary, the free dictionary.

Hobnail may also refer to:

• A pattern of glassware: (sometimes called Fenton Hobnail) where the body of the piece has a regular array of bumps, as if finished with glass hobnails
• A popular song from 1907, performed by Billy Williams
• "Hobnailed liver" is medical jargon for cirrhosis of the liver
• Cellular morphology pathognomonic for clear cell adenocarcinoma of the ovary

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