mushroom cloud mushroom anchor • mushroom coral · · · Info · Definitions · Synonyms · Characters · · mushroom cloud · · Text Common · · Latin · · Scripts 14 · · Length 3 · · Syllables Definitions · · · (noun) a large cloud of rubble and dust shaped like a mushroom and rising into the sky after an explosion (especially of a nuclear bomb). Synonyms: mushroom, mushroom cloud, mushroom-shaped cloud. · · Noun Definition 1 Synonyms · · · mushroom · · Synonym 1 mushroom-shaped cloud · · Synonym 2 Characters · · space U+0020 c latin small letter c U+0063 d latin small letter d U+0064 h latin small letter h U+0068 l latin small letter l U+006C m latin small letter m U+006D o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075