noun🔗ShareA rounded stone from a river bed, fit for use as ballast in ships and for paving roads."The old European city was charming, with narrow streets paved with cobblestones. "materialgeologyarchitectureChat with AIVocabulary GamePractice Reading
noun🔗ShareThe material made from cobblestones."The bumpy road was made of cobblestones, making the bike ride uncomfortable. "materialbuildingarchitectureChat with AIVocabulary GamePractice Reading
