hobnail

 
Pronunciation: /ˈhɒbneɪl/

noun

  • a short heavy-headed nail used to reinforce the soles of boots.
  • a blunt projection, especially in cut or moulded glassware.
  • [mass noun] glass decorated with blunt projections.

Derivatives

hobnailed

adjective

Origin:

late 16th century: from hob1 + nail