Related to Aquinas Thomas: Tomas de Aquino
A·qui·nas(ə-kwī′nəs), Saint Thomas 1225-1274.
Italian Dominican friar, theologian, and philosopher. The most influential thinker of the medieval period, his philosophy combined Aristotelianism and elements of Neoplatonism within a context of Christian thought. His works include the Summa contra gentiles (1259-1264) and the Summa theologiae or theologica (1266-1273).