Stained glass depicting St. Thomas Aquinas.
Thomas Aquinas definition by Webster's New World
Thomas Aquinas definition by American Heritage Dictionary
Thomas Aquinas - Cultural Definition
A thirteenth-century Italian priest and philosopher who became the most influential theologian of the Middle Ages. Aquinas, a saint of the Roman Catholic Church, sought to reconcile faith and reason by showing that elements of the philosophy of Aristotle were compatible with Christianity. His greatest work is the Summa Theologica.