Examples from the Web for nailhead
It takes a keen eye to see a fly or a nailhead at fifty yards—one hundred and fifty feet.Fenimore Cooper's Literary Offences|Mark Twain (Samuel Clemens)
In the above-mentioned wall is an Early English doorway, with a dripstone adorned with the nailhead moulding.
All the string-courses, it will be noticed, are enriched with the nailhead moulding.
Marglobe is a midseason variety, with large vine and foliage, resistant to fusarium and nailhead spot.The Tomato|Paul Work