"demarcation line" in German demarcation line Grenzlinie Demarkationslinie Detailed translations for "demarcation line" demarcation line 1. geography demarcation line(also: demarcation, boundary, line) die Grenzlinie{feminine} It's the demarcation line between two tectonic plates that are constantly moving. Source: opensubtitles.org Corpus by OPUS Request review Die Grenzlinie zwischen 2 Kontinentalplatten, die in ständiger Bewegung sind. 2. politics demarcation line die Demarkationslinie{feminine} English synonyms for "demarcation line" demarcation line {n} demarcation limit