Found 2 items, similar to mushroom cloud.
English → English (WordNet) Definition: mushroom cloud mushroom cloud n : a large cloud of rubble and dust shaped like a mushroom and rising into the sky after an explosion (especially of a nuclear bomb) [syn: mushroom, mushroom-shaped cloud]
English → English (gcide) Definition: mushroom cloud Mushroom \Mush"room\, a. 1. Of or pertaining to mushrooms; as, mushroom catchup. [1913 Webster] 2. Resembling mushrooms in rapidity of growth and shortness of duration; short-lived; ephemerial; as, mushroom cities. [1913 Webster] Mushroom anchor, an anchor shaped like a mushroom, capable of grasping the ground in whatever way it falls. Mushroom coral (Zo["o]l.), any coral of the genus Fungia. See Fungia. Mushroom spawn (Bot.), the mycelium, or primary filamentous growth, of the mushroom; also, cakes of earth and manure containing this growth, which are used for propagation of the mushroom. mushroom cloud, a cloud of smoke rising and then spreading laterally to take on the shape of a mushroom -- caused by large fires or explosions, esp. nuclear explosions. [1913 Webster +PJC]