# leading light

> English word · Noun

## Definitions
1. An acclaimed expert, one of the foremost experts, a luminary.
2. A light that helps to guide vessels into a port.

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