1. A German nobleman of high rank, historically a count or prince who ruled a territory (landgraviate).
Usage: historical; chiefly European history

Examples

• The landgrave of Hesse was one of the most powerful rulers in medieval Germany.
• Many landgraves held significant political influence during the Holy Roman Empire.
• The title of landgrave indicated both nobility and territorial authority.
• Historical records show that landgraves often controlled wealthy and strategic regions.
• The landgrave's court was a center of culture and learning in the region.