English leader (born in Germany) of the Royalist forces during the English Civil War (1619-1682)
"The army rallied behind Rupert, the German-born English leader who commanded the Royalist forces during the English Civil War."
A junior army officer.
"The rupert led his squad through the foggy valley during the night patrol."
A male given name from the Germanic languages.
"Rupert is a traditional male given name of Germanic origin that has been used in English-speaking countries since the Middle Ages."
The name Rupert originated as a German personal title brought to England by Prince Rupert of the Rhine in the seventeenth century. The term "Rupert's geometry" also honors this prince, who famously posed the puzzle of passing a cube through a hole cut from another identical cube.