The definition of a fungus is an organism that feeds on organic matter.(noun)
See fungus in Webster's New World College Dictionary
Origin: L, a mushroom, fungus < Gr dial. (Attic) sphongos, var. of Gr spongos, sponge
See fungus in American Heritage Dictionary 4
noun pl. fun·gi (fŭnˈjī, fŭngˈgī) or fun·gus·es
Origin: ; perhaps akin to Greek spongos, sphongos, sponge.
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