cobblestone

noun

Etymology: From Middle English cobylstone, cobyllstone, kobilstane, kobill-stane, equivalent to cobble + stone. Compare Old Norse köppusteinn (“boulder”), Danish kampesten (“boulder”).

1. A rounded stone from a river bed, fit for use as ballast in ships and for paving roads.

   “In restless dreams I walked alone / Narrow streets of cobblestone”

2. Cobblestones viewed as a building or paving material.

   “The road was paved in cobblestone.”