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magistral line

American  

noun

Fortification.
  1. the line from which the position of the other lines of fieldworks is determined.


Etymology

Origin of magistral line

First recorded in 1850–55

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The line of the escarp is called the magistral line since it regulates the trace.

From Project Gutenberg

A glance at any of the plans that have already been shown will show that hitherto the crests of parapets had always been traced parallel to the escarp or magistral line.

From Project Gutenberg