bloat1
  
  v.
 cause to swell with fluid or gas.
n.
 a disease of livestock characterized by an accumulation of gas in the stomach.
 
  Etymology
  C17: from obs. bloat ‘swollen, soft’, perh. from ON blautr ‘soft, flabby’.
 
  
    
bloat2
  
  v.
 cure (a herring) by salting and smoking it lightly.
 
  Etymology
  C16: rel. to bloat herring ‘bloater’, of obscure origin.