What is another word for demarcation line?
Pronunciation: [dɪmɑːkˈe͡ɪʃən lˈa͡ɪn] (IPA) 
A demarcation line can be referred to as a boundary line, a division line or an imaginary line that separates two territories. It is often used in military contexts to indicate the line separating two opposing forces or in political contexts to indicate the division between two countries or regions. Synonyms for a demarcation line include frontier, border, boundary, dividing line, partition line or separation line. A demarcation line can also be called a line of demarcation, an imaginary line that separates two territories for administrative, historical or cultural reasons. Whatever the context, a demarcation line is a clear indication of a separation between two entities.
