from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of various characteristically bluish-green fungi of the genus Penicillium that grow as molds on decaying fruits and ripening cheese and are used in the production of penicillin and in making cheese.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of the blue-green fungi, of the genus Penicillium, that are an important source of antibiotics.
from The Century Dictionary and Cyclopedia
- n. A genus of saprophytic fungi of the class Ascomycetes, the well-known blue-molds, that are abundant on decaying bread and numerous other decaying substances.
- n. [l. c] In zoology, same as pencil, 7.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. genus of fungi commonly growing as green or blue molds on decaying food; used in making cheese and as a source of penicillin
New Latin Pēnicillium, genus name, from Latin pēnicillus, brush; see pencil.(American Heritage® Dictionary of the English Language, Fourth Edition)
From the genus name. (Wiktionary)