n. Biology, pl., tax·a (tăk'sə).
A taxonomic category or group, such as a phylum, order, family, genus, or species.
[New Latin, back formation from TAXONOMY.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
