WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / T / thomas willis thomas willis noun 13 letters Scrabble 20 WWF 22 Definitions noun English physician who was a pioneer in the study of the brain (1621-1675) willis Look “thomas willis” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →