C.B.

1. Bachelor of Surgery. [ < L Chirurgiae Baccalaureus]

2. Brit. Companion of the Bath.

* * *

Cb (no period),

columbium (chemical element).

CB (no periods),

1. chemical and biological: »

CB weapons.

2. citizens band (radio).

C.B.,

1. Bachelor of Surgery (Latin, Chirurgiae Baccalaureus).

2. citizens band (radio).

3. British. Companion of the Bath.