batter1
  
  v.
  - strike repeatedly with hard blows. ▸subject (one's spouse, partner, or child) to repeated violence and assault. 
- 
[usu. as noun battering]
 criticize severely or defeat heavily.
Derivative
  
  Etymology
  ME: from OFr. batre ‘to beat’ (from L. battuere) + -er4.
 
  
    
batter2
  
  n.
 a mixture of flour, egg, and milk or water, used for making pancakes or coating food before frying. 
▸N. Amer. a mixture of ingredients for a cake.
Etymology
  ME: from OFr. bateure ‘the action of beating’, from batre ‘to beat’.
 
  
    
batter3
  
  n.
 a player who bats in baseball.
 
  
    
batter4
  
  v.
 (of a wall) slope backwards from the perpendicular.
n.
 a backwards slope in a wall.
Etymology
  C16: of unknown origin.