Bat-Signal
Proposed by a contributor, not yet supported by evidence.
Meaning · English
A call for help or summons to action
Nghĩa · Tiếng Việt
một lời kêu gọi giúp đỡ hoặc triệu tập hành động
Machine-translated — suggest a fix
Literally: a signal used to summon Batman
Where it’s used:
Used
Widespread English
Sources & notes
Listed in Wiktionary’s “English idioms” category (retrieved 2026-07-29); definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-07-30; pending editor spot-check.
Common questions
What does “Bat-Signal” mean?
A call for help or summons to action Literally: a signal used to summon Batman
Is “Bat-Signal” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.