Main Entry: ¹rub·ble

Pronunciation: \ˈrə-bəl\

Function: noun

Etymology: Middle English robyl

Date: 14th century

1 a : broken fragments (as of rock) resulting from the decay or destruction of a building <fortifications knocked into rubble — C. S. Forester> b : a miscellaneous confused mass or group of usually broken or worthless things
2 : waterworn or rough broken stones or bricks used in coarse masonry or in filling courses of walls
3 : rough stone as it comes from the quarry