'Batter rule' definitions:

Definition of 'Batter rule'

From: GCIDE
  • Batter \Bat"ter\, n. A backward slope in the face of a wall or of a bank; receding slope. [1913 Webster]
  • Batter rule, an instrument consisting of a rule or frame, and a plumb line, by which the batter or slope of a wall is regulated in building. [1913 Webster]