fungus

plural fungi · plural uncommon funguses · nonstandard plural rare fungusses

1. countableuncountablebiologyA eukaryotic organism of the kingdom Fungi typically having chitin cell walls but no chlorophyll or plastids. Fungi may be unicellular or multicellular.

   Plastics are energy-rich substances, which is why many of them burn so readily. Any organism that could unlock and use that energy would do well in the Anthropocene. Terrestrial bacteria and fungi which can manage this trick are already familiar to experts in the field.

   2013 July 20, “Welcome to the plastisphere”, in The Economist, volume 408, number 8845, archived from the original on 14 Aug 2020

2. uncountableThe flesh of such an organism.
3. archaiccountableuncountablemedicineA spongy, abnormal excrescence, such as excessive granulation tissue formed in a wound.