from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A branching, treelike diagram in which the endpoints of the branches represent specific species of organisms. It is used to illustrate phylogenetic relationships and show points at which various species have diverged from common ancestral forms.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A branching treelike graphical representation of the phylogenetic relationships between organisms showing which taxa have branched from common ancestors.
- n. A phylogenetic tree that is strictly the outcome of a cladistic analysis.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a tree diagram used to illustrate phylogenetic relationships
Greek klados, branch + -gram.(American Heritage® Dictionary of the English Language, Fourth Edition)