Cab

• Short for cabriolet, a light, horse-drawn carriage which replaced the heavier hackney carriage in the 19th century as the vehicle for hire of choice in Paris and London, and were the forerunners of modern taxicabs.
• Short for taxicab, which replaced cabriolets at the beginning of the 20th century, and whose name comes from taxi(meter) + cab(riolet).
• or cabin, the driver/operator's compartment in a truck (lorry), crane or railway locomotive.
• The moving passenger compartment in an elevator (lift).
• Short for cabochon, a gemstone cut with a flat bottom and a rounded top.
• Short for cabernet sauvignon, a variety of red wine.

The acronym CAB may stand for:

• cabinet (file format)
• Canadian Association of Broadcasters
• In the UK, the Citizens Advice Bureau
• In Ireland, the Criminal Assets Bureau
• Controller Anti-lock Brake, see Anti-lock Braking System