ˈ ̷ ̷ˌ ̷ ̷ noun
Usage: often attributive
1.
a. : the usually flattened boss that forms the end of a nail opposite to the point
b. : an ornament suggesting a nailhead
a belt studded with enamel nailheads
nailhead taffeta
2. : nail-headed molding ; also : one of the pyramids forming such molding