Pronunciation: (in-fûr'nō; for 3 also It. ēn-fer'nô), [key]
1. hell; the infernal regions.
2. a place or region that resembles hell: The ironworks was an inferno of molten steel and half-naked bodies.
3. (cap., italics) the first part of Dante's Divine Comedy, depicting hell and the suffering of the damned. Cf. paradise (def. 7), purgatory (def. 2).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.