- flagstone⇄expr. flagstones, a pavement made with flagstones; flagging.
Ex. She turned and, noiseless in her sneakers, padded across the flagstones toward the house (Atlantic). - flagstone⇄flagstone, noun.
1. a large, flat slab of stone, used especially for paving paths.
2. any highly stratified, hard rock that is easily broken into slabs.