Hypertext Webster Gateway: "flagstone"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Flagstone \Flag"stone`\, n.
A flat stone used in paving, or any rock which will split
into such stones. See {Flag}, a stone.
From WordNet (r) 1.7 (wn)
flagstone
n : stratified stone that splits into pieces suitable as paving
stones [syn: {flag}]
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