Phylum
WordNet

noun


(1)   (biology) the major taxonomic group of animals and plants; contains classes
(2)   (linguistics) a large group of languages that are historically related
WiktionaryText

Noun



  1. A rank in the classification of organisms, below kingdom and above class; also called a division, especially in describing plants; a taxon at that rank
    Mammals belong to the phylum Chordata.
 
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