1. systems of classification, especially the classification of living organisms into groups based on shared characteristics
Usage: biology; plural of taxonomy
2. organized systems for categorizing or arranging things according to their relationships or characteristics
Usage: general use; plural of taxonomy

Examples

• Scientists use different taxonomies to classify plants and animals.
• The library developed new taxonomies for organizing digital resources.
• Modern taxonomies of bacteria are based on genetic analysis.
• Educational taxonomies help teachers organize learning objectives.
• The company created taxonomies to categorize customer feedback.
• Biological taxonomies have evolved with advances in molecular biology.