Wordnet polsko-angielski 
                         (a large cloud of rubble and dust shaped like a mushroom and rising into the sky after an explosion (especially of a nuclear bomb) ) 
mushroom, mushroom cloud, mushroom-shaped cloud 
 (a large cloud of rubble and dust shaped like a mushroom and rising into the sky after an explosion (especially of a nuclear bomb) ) 
mushroom, mushroom cloud, mushroom-shaped cloud