flagstone

/ˈflæɡˌstoʊn/
noun
  1. A flat, rectangular piece of stone used for paving paths, patios, or floors.
    • The garden path was made of uneven flagstones that felt cool underfoot.
    • We decided to replace the old concrete patio with natural flagstone.
    • A loose flagstone in the walkway caused her to trip.
Synonyms
What does "flagstone" mean? | whatsthatwordmean | whatsthatwordmean