Dī-ăth'e-sĭs, n.

n. [Gr. διάθεσις, from διατίθεσθαι, to place separately, to arrange, from διά, through, asunder, and τιθέναι, to place, put; Fr. diathèse.] (Med.) Bodily condition or constitution, especially that which predisposes to a particular disease.