Definitions of fungus

  1. 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.
  2. Any one of the Fungi, a large and very complex group of thallophytes of low organization, - the molds, mildews, rusts, smuts, mushrooms, toadstools, puff balls, and the allies of each.
  3. A member of the order of acotyledonous plants called Fungi ( which see): in med. ( a) a spongy morbid excrescence, as proud flesh formed in wounds; ( b) a minute incrustation and alteration of the skin dependent on the growth of vegetable parasites, as favus, ring- worm, etc.
  4. Order of plants including mushrooms, mould, & c.
  5. One of a group of plants, including mushrooms, toadstools, etc.; also, a soft, spongy growth on an animal body.
  6. A plant belonging to the fungi; a spongy excrescence, as proud- flesh formed in wounds; an affection of the skin due to the growth of vegetable parasites.
  7. Fungous.