Definition of phylum
plural phyla
play
\ˈfī-lə\
1 a
:a direct line of descent within a group
b
:a group that constitutes or has the unity of a phylum;
specifically
:a primary category in biological taxonomy especially of animals that ranks above the class and below the kingdom — compare division 10
2
:a group of languages related more remotely than those of a family or stock
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