in·fer·no (ĭn-fûr′nō) n. pl. in·fer·nos 1. A place or condition suggestive of hell, especially with respect to human suffering or death: the inferno of battle. 2. A place of fiery heat or destruction. [Italian, hell, from Late Latin īnfernus; see infernal.] inferno (ɪnˈfɜːnəʊ) n, pl -nos 1. (Theology) the inferno (sometimes capital) hell …

