horseshoe
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
A well-developed set of triceps brachii muscles.
Register: slang
Where it’s used:
Used
American English
Examples
The lateral head of your triceps forms the outside of the horseshoe, the long head forms the inside, the medial head lies beneath the long head, and the tendon occupies the flat space in the middle.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “horseshoe” mean?
A well-developed set of triceps brachii muscles.
Is “horseshoe” formal or informal?
horseshoe is generally slang.