Definition of Cb 

(Entry 1 of 3)

cumulonimbus

Cb

symbol

Definition of Cb (Entry 2 of 3)

columbium

CB

noun
\ˌsē-ˈbē \

Definition of CB (Entry 3 of 3)

: citizens band also : the radio transmitting and receiving set used for citizens-band communications

Examples of Cb in a Sentence

Noun

We heard the truckers talking on the CB.

First Known Use of Cb

Noun

1959, in the meaning defined above

Keep scrolling for more

Learn More about Cb

Dictionary Entries near Cb

caza

Cazcan

cazique

Cb

CB

cbal

C battery

Statistics for Cb

Look-up Popularity

Time Traveler for Cb

The first known use of Cb was in 1959

See more words from the same year

Keep scrolling for more

More Definitions for Cb

CB

noun

English Language Learners Definition of CB

: a range of radio frequencies that people and especially truck drivers use to talk to each other over short distances often while driving; also : a radio that uses this range of frequencies

Medical Definition of cb 

(Entry 1 of 3)

centibar

Cb

symbol

Medical Definition of Cb (Entry 2 of 3)

columbium

Medical Definition of CB (Entry 3 of 3)

bachelor of surgery

History and Etymology for Cb

Abbreviation

Latin Chirurgiae Baccalaureus

Comments on Cb

What made you want to look up Cb? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

something that serves to warn or remind

Get Word of the Day daily email!

Test Your Vocabulary

Autumn Words of the Day 2018

  • a-top-down-image-of-road-through-an-autumn-forest
  • Which is a synonym of fugacious?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!