plural flagstones
Definition of flagstone
: a hard stone with uniform internal layers that split easily into flat pieces suitable for paving
We chose flagstone for the walkway. flagstone steps
also
: a piece of such stone
The patio is paved with flagstones.
— called also flag
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Merriam-Webster unabridged
Share flagstone
Time Traveler for flagstone
The first known use of flagstone was in 1730
See more words from the same year