- taxonomy - a classification of organisms into groups based on similarities of structure or origin etc
--1 is a kind of hierarchy
- taxonomy - (biology) study of the general principles of scientific classification
--2 is a kind of systematics
--2 has particulars: cladistics, cladisitic analysis- taxonomy - practice of classifying plants and animals according to their presumed natural relationships
--3 is a kind of categorization, categorisation, classification, compartmentalization, compartmentalisation, assortment
- taxonomy - (biology) study of the general principles of scientific classification