- The definition of a fungus is an organism that feeds on organic matter.
- Yeast is an example of a fungus.
- Athletes foot is an example of a fungus.
nounpl. fungi or funguses
- any of a large division (Eumycota) of thallophytes, including molds, mildews, mushrooms, rusts, and smuts, which are parasites on living organisms or feed upon dead organic material, lack chlorophyll, true roots, stems, and leaves, and reproduce by means of spores: in some systems of biological classification, these organisms are placed in a separate kingdom (Fungi) and are not considered to be plants
- something that grows suddenly and rapidly like a fungus
Origin of fungusClassical Latin a mushroom, fungus ; from Classical Greek dialect, dialectal (Attic) sphongos, variant, variety of Classical Greek spongos, sponge
nounpl. fun·gi or fun·gus·es
Origin of fungusLatin; perhaps akin to Greek spongos, sphongos, sponge.
(plural fungi or funguses)
The plural form fungi comes directly from the Latin. See that entry for information about the several English pronunciations in use.
From Latin fungus (“mushroom”). Compare Ancient Greek σπόγγος (spongos).