How to Pronounce "phylum"
word
Definition
A phylum is a large group in scientific classification, below kingdom and above class, used to organize living things that have common features.
Listen in Context
Chordates are a phylum that includes all animals with a backbone.
There are many species in the arthropod phylum.
Mollusks belong to their own phylum.
Biologists debate how many true phyla exist in the animal kingdom.