Added 9 October 2026 flagstone /ˈflæɡ.stəʊn/ noun Categories: ThingsRare Words noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about flagstone at Wordnik → Where our words come from → A flat, rectangular piece of rock or stone used for paving or roofing. One of several types of rock easily split and suitable for making flagstones. Origin From flag + stone. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: flagslabstonepavingstoneslabroundstonetablestonesettpaverfieldstonepavior Back to today's word