Ma-lā'ri-ā, n.

(Synop., § 130), n. [It., contracted from mala aria, bad air, from malo, Lat. malus, bad, and aria, Lat. aer, air.] Bad air; air tainted by deleterious emanation from animal or vegetable matter; especially, noxious exhalations of marshy districts, capable of causing fever or other disease; miasma.