CoA
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
Initialism of coat of arms.
Register: informal, 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).
Common questions
What does “CoA” mean?
Initialism of coat of arms.
Is “CoA” formal or informal?
CoA is generally informal, slang.