CB
Proposed by a contributor, not yet supported by evidence.
Also seen as: CBs
Sense 1
Meaning · English
The United States Navy hull classification symbol for a large cruiser.
Noun
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
Meaning · English
confined to barracks (a punishment in the army).
Adjective
Examples
‘Twenty days C.B.,’ said one. ‘Twenty years, more likely,’ said another.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “CB” mean?
The United States Navy hull classification symbol for a large cruiser.
Is “CB” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.