a rounded stone larger than a pebble and smaller than a boulder, formerly much used for paving streets
Origin of cobblestoneMiddle English cobel ston: see cobble and stone
A paving stone, especially one that is naturally rounded.
Origin of cobblestoneMiddle English cobelston obsolete cobel probably diminutive of cob round object ; see cob . Middle English ston, stone stone ; see stone .
Acorn Street on Beacon Hill