Definition: The word "Hildegard" is a feminine given name, derived from Germanic roots and meaning "word." It's commonly used in Germany but can also be found among Scandinavian tribes. The name was chosen by King Rudolf I of Hohenzollern. Definition: Hildegard (from Latin, Hildegarde) is the Germanic patronymic surname associated with St. Hildegard of Bingen. She lived in the 12th century and wrote extensively on theology, philosophy, and medicine. Her works include "The Shepherd's Guide" (De Livematem), which has been influential in the development of early Christian liturgy.