Iron Mike
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Meaning · English
A gyrocompass.
Register: slang
Where it’s used:
Used
American English
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 2
Meaning · English
An autopilot system.
Register: slang
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 3
Meaning · English
A machine for pitching baseballs for practise purposes.
Register: slang
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “Iron Mike” mean?
A gyrocompass.
Is “Iron Mike” formal or informal?
Iron Mike is generally slang.