Added 10 October 2026 nailhead noun Categories: ThingsObscure Words noun ! Definition from Wiktionary (CC BY-SA). More about nailhead at Wordnik → Where our words come from → The head of a nail. Origin From nail + head. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: headroseheadhand-nailnut-headhangnailtacknailsnapheadnailer Back to today's word