A Mushroom

<p> Any of the fleshy fruiting bodies of fungi typically produced above ground on soil or on their food sources (such as decaying wood).<p>Synonyms: mushrump (archaic), shroom<p><p>A fungus producing such fruiting bodies.<p>Champignon or Agaricus bisporus, the mushroom species most commonly used in cooking.<p>Any of the mushroom-shaped pegs in bar billiards.<p>(architecture) A concrete column with a thickened portion at the top, used to support a slab.<p>(obsolete, figuratively) One who rises suddenly from a low condition in life; an upstart.<p><p>(figuratively) Something that grows very quickly or seems to appear suddenly.</p></p></p></p></p></p></p></p></p></p>