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taxon

American  
[tak-son] / ˈtæk sɒn /

noun

plural

taxa
  1. a taxonomic category, as a species or genus.


taxon British  
/ ˈtæksɒn /

noun

  1. biology any taxonomic group or rank

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

taxon Scientific  
/ tăksŏn′ /

plural

taxa
  1. A taxonomic category or group, such as a phylum, order, family, genus, or species.


Etymology

Origin of taxon

First recorded in 1945–50; from Greek táx(is) “arranged, put in order” + -on neuter noun ending; taxis 1, -on 1