# nomenclator

> English word · Noun

## Definitions
1. An assistant who specializes in providing timely and spatially relevant reminders of the names of persons and other socially important information.
2. One who assigns or constructs names for persons or objects or classes thereof, as in a scientific classification system.
3. A document containing such name assignments.
4. An early form of substitution cipher.

## Etymology
From Latin nōmenclātor (“slave who told master names of persons master met”), from nōmen (“name”) + calō (“call together”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/nomenclator