from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Botany See cork.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. (botany) outer tissue of bark; a protective layer of dead cells
German : Greek phellos, cork; + -em (as in Phloëm, phloem; see phloem).(American Heritage® Dictionary of the English Language, Fourth Edition)