a. Obs. [f. Gr. κατάρροπ-ος (f. κατά down + ῥοπή downward inclination) + -OUS.] Tending or moving downwards.
1666. G. Harvey, Morb. Angl., x. 92. Why the same corrosive humour should sometimes prove Anarrhopous … and otherwhiles Catarrhopous (flowing downwards).
