|—n , pl -la|
|1.||a major taxonomic division of living organisms that contain one or more classes. An example is the phylum Arthropoda (insects, crustaceans, arachnids, etc, and myriapods)|
|2.||any analogous group, such as a group of related language families or linguistic stocks|
|[C19: New Latin, from Greek phulon race]|
phylum phy·lum (fī'ləm)
n. pl. phy·la (-lə)
A taxonomic category that is a primary division of a kingdom and ranks above a class in size.
One of the major divisions of the kingdoms of living things; the second-largest standard unit of biological classification. The arthropods, chordates, and mollusks are phyla. Phyla in the plant kingdom are frequently called divisions. (See Linnean classification.)