\Nail"-head`ed\, a.
Having a head like that of a nail; formed so as to resemble
the head of a nail.
{Nail-headed characters}, arrowheaded or cuneiform
   characters. See under {Arrowheaded}.
{Nail-headed molding} (Arch.), an ornament consisting of a
   series of low four-sided pyramids resembling the heads of
   large nails; -- called also {nail-head molding}, or
   {nail-head}. It is the same as the simplest form of
   dogtooth. See {Dogtooth}.