In architecture, a medieval ornament. See nail-headed.(noun)
The Century Dictionary (Public Domain)
Use "nail-head" in a sentence
"May 4, 2008 at 2:53 pm as to “never quite so dumb”……nail-head, firmly impacted by hammer, a large one."
"I would make Cyprianus pull the damn tooth out with a set of nail-head pliers."
"Sunlight burst into the office, washing away the shadows that covered her high-back, blood-red, nail-head leather chair, the bookcases and standing lamp."