# Bat-Signal

> English word · Noun

## Definitions
1. A thing which serves to attract or summon something.

## Etymology
From Bat- + signal: the extended (general) sense comes from the Bat-Signal, a searchlight-based distress signal in the DC Universe, used by Gotham City police to summon the superhero Batman.

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