n :  BILE : esp  :  bile obtained from an animal and used in the arts or medicine
, n :  a skin sore caused by chronic irritation
, vt :  to fret and wear away by friction  :  CHAFE <the loose saddle ed the horse's back> 
, n :  a swelling of plant tissue usu. due to fungi or insect parasites and sometimes forming an important source of tannin .
 
 
 
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