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.
- Also called boundary line.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use partition line in a sentence
The partition line embattled has certain peculiarities of its own.
A cross or a billet urdy one knows, but urdy as a partition line I have yet to find.
This partition line may be employed for the rectilinear charges known as "ordinaries" or "sub-ordinaries."
I think also that the word "arched" should now be included as a partition line.