partition line

American  

noun

Heraldry.

1. a plain or figured edge between two adjacent areas of an escutcheon, between an ordinary and the field of an escutcheon, or between two adjacent ordinaries.

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Etymology

Origin of partition line

First recorded in 1710–20

Example Sentences

Two hours later, 28 Vietnamese Skyraiders and 28 U.S. jets from Danang hit a regimental-sized barracks at Chaple, just north of the partition line.

From Time Magazine Archive

I think that there are better chances for the administrative autonomy that we proposed rather than trying to draw a partition line which just doesn't exist.

From Time Magazine Archive

Under pressure of Mend�s' stubborn insistence on the 18th parallel as the partition line, Van Dong had moved from the 14th parallel to the 16th.

From Time Magazine Archive

But the removal of the partition line was followed by important consequences to the Portuguese, who derived from it their pretensions to the noble empire of Brazil.

From The History of the Reign of Ferdinand and Isabella the Catholic — Volume 2 by Prescott, William Hickling

The tube is filled to the partition line a, with tincture of litmus.

From The Cultivation of The Native Grape, and Manufacture of American Wines by Husmann, George