1. people who assign names to things, especially in scientific classification
Usage: formal; scientific
2. slaves or attendants in ancient Rome who helped their masters remember names of people they met
Usage: historical; ancient Rome

Examples

• The botanical nomenclators worked to classify the newly discovered plant species.
• Scientific nomenclators follow strict rules when naming organisms.
• In ancient Rome, wealthy citizens relied on nomenclators to avoid social embarrassment.
• The nomenclators whispered the names of approaching guests to their masters.
• Modern taxonomists serve as nomenclators for biological classification systems.