Main Entry: in·fer·no

Pronunciation: \in-ˈfər-(ˌ)nō\

Function: noun

Inflected Form(s): plural in·fer·nos

Etymology: Italian, hell, from Late Latin infernus

Date: 1834

: a place or a state that resembles or suggests hell <the inferno of war>; also : an intense fire : conflagration <a raging inferno>