2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Rubble  \Rub"ble\,  n.  [From  an  assumed  Old  French  dim.  of  robe 
  See  {Rubbish}.] 
  1.  Water-worn  or  rough  broken  stones;  broken  bricks,  etc., 
  used  in  coarse  masonry,  or  to  fill  up  between  the  facing 
  courses  of  walls. 
 
  Inside  [the  wall]  there  was  rubble  or  mortar. 
  --Jowett 
  (Thucyd.). 
 
  2.  Rough  stone  as  it  comes  from  the  quarry;  also  a 
  quarryman's  term  for  the  upper  fragmentary  and  decomposed 
  portion  of  a  mass  of  stone;  brash.  --Brande  &  C. 
 
  3.  (Geol.)  A  mass  or  stratum  of  fragments  or  rock  lying  under 
  the  alluvium,  and  derived  from  the  neighboring  rock. 
  --Lyell. 
 
  4.  pl  The  whole  of  the  bran  of  wheat  before  it  is  sorted 
  into  pollard,  bran,  etc  [Prov.  Eng.]  --Simmonds. 
 
  {Coursed  rubble},  rubble  masonry  in  which  courses  are  formed 
  by  leveling  off  the  work  at  certain  heights. 
 
  From  WordNet  r  1.6  [wn]: 
 
  rubble 
  n  :  the  remains  of  something  that  has  been  destroyed  or  broken 
  up  [syn:  {debris},  {dust},  {junk},  {detritus}] 

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