Meaning of phylum

phy•lum

Pronunciation: (fī'lum), [key]
— pl. -la
  1. the primary subdivision of a taxonomic kingdom, grouping together all classes of organisms that have the same body plan.
  2. a category consisting of language stocks that, because of cognates in vocabulary, are considered likely to be related by common origin. Cf.(def. 13).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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