1) Taxon 2) Taxonomic category 3) Taxonomic group 
In scientific classification of biota, a subphylum is a taxonomic rank in zoological nomenclature. The taxonomic rank of `subdivision` in fungi and plant taxonomy is equivalent to `subphylum` in zoological taxonomy. == Taxonomic rank == Subphylum is: == Examples == Not all fauna phyla are divided into subphyla. ...
In biologic classification, a division between phylum and class. ... (05 Mar 2000) ... 
(sәb-fi´lәm) a taxonomic category subordinate to a phylum and superior to a class.
Type: Term Pronunciation: sŭb-fī′lŭm Definitions: 1. In biologic classification, a division between phylum and class.
[n] - (biology) a taxonomic group ranking between a phylum and a class
noun (biology) a taxonomic group ranking between a phylum and a class
a category of related classes within a phylum.