Citizens' band radio.

Cannabinoids, a group of substances that bind to animal cannabinoid receptors.

Columbium, an obsolete abbreviation (now known as niobium).

Crash Bandicoot, a video game

Block coefficient (Cb), determining fullness of ship's hull.

Cumulonimbus cloud (Cb)

Corned beef.

Concrete Block, also cinder block, clinker block, or foundation block [US], Concrete Masonry Unit (CMU) [US], breeze block [UK].

Carte Bancaire, a bank card brand.

Critical bands, the frequency bandwidths of human auditory filters.

Cara-Beth Burnside

Chrysler Building, a skyscraper in New York City, New York.

Cell Broadcast in GSM networks.

IATA airport code for ScotAirways (CB).

Christianssands Bryggeri, a Norwegian brewery.

Cambodia, FIPS Pub 10-4 and obsolete NATO digram

Cambridge, British post code for eastern England served by the Cambridge postal sorting office (see list of UK areas). This is sub-divided into numbered districts (see list of UK districts). These are further sub-divided into individual premises or small groups of premises.

Children's Bureau within the Administration For Children and Families of the United States Department of Health and Human Services.

Congress-Bundestag Youth Exchange Program, a scholarship for youth exchange between the United States of America and the Federal Republic of Germany.

IATA airport code for ScotAirways (CB).

Companion in The Most Honourable Order of the Bath, title conferred by the British and Commonwealth orders and decorations.

"Confined to Barracks", acronym in use by various armed forces.

Construction Battalions, the United States Navy units responsible for constructing airstrips and roadways (see also Seabee).

CB-series of Large Cruisers, retired US Navy hull classification symbol.

Carball, an Unreal Tournament 2004 mod.

Coffee-bitch, used in many offices as an irreverent form of the term gofer.

Cold beer, commonly used by fraternity members in the Southeastern United States.

Cowboy Bebop, an anime and manga popular in Japan and the United States, often credited with significantly broadening the popularity of anime in the United States.

Chris Brown (singer), an R&B artist

Centre-back, a defensive position in football (soccer).

Cornerback, a position in American football.