Definition of Galen in English:

Galen

proper noun

  • (129–99), Greek physician; full name Claudios Galenos; Latin name Claudius Galenus. He attempted to systematize the whole of medicine, making important discoveries in anatomy and physiology. His works became influential in Europe when retranslated from Arabic in the 12th century.

Pronunciation:

Galen

/ˈɡeɪlən/