batter rule

English

Noun

batter rule (plural batter rules)

1. 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.

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for “batter rule”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)