| Cobblestone (n.) A large pebble; a rounded stone not too large to be handled; a small boulder; -- used for paving streets and for other purposes. Thesaurus Entries Tarmac, Tarvia, asphalt, bitumen, bituminous macadam, blacktop, brick, carpet, causeway, cement, cobble, concrete, curb, curbing, curbstone, edgestone, flag, flagging, flagstone, floor, gravel, kerb, kerbstone, macadam, metal, pave, pavement, pavestone, paving, paving stone, pebble, road metal, stone, tar, tarmacadam, tile, washboard |