from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A taxonomic category of related organisms ranking between a phylum and a class.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A taxonomic category below phylum and above class
from The Century Dictionary and Cyclopedia
- n. A prime division or main branch of a phylum; a group of a grade next below that of a phylum.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. (biology) a taxonomic group ranking between a phylum and a class
Sorry, no etymologies found.