Definition of "fungus" []

• Any of numerous eukaryotic organisms of the kingdom Fungi, which lack chlorophyll and vascular tissue and range in form from a single cell to a body mass of branched filamentous hyphae that often produce specialized fruiting bodies. The kingdom includes the yeasts, molds, smuts, and mushrooms. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Moreover, the fungus is apparently more lethal under moist conditions, yet, at many affected sites, warm years are comparatively dry."
• "I think foot fungus is a couple of rungs up the evolutionary ladder from OSTLL"
• "A deadly fungus is making frogs croak on the tiny island of Montserrat."