Hackney carriage
Overview
 
A hackney or hackney carriage (also called a cab, black cab, hack or London taxi) is a carriage
Carriage
A carriage is a wheeled vehicle for people, usually horse-drawn; litters and sedan chairs are excluded, since they are wheelless vehicles. The carriage is especially designed for private passenger use and for comfort or elegance, though some are also used to transport goods. It may be light,...

 or automobile
Automobile
An automobile, autocar, motor car or car is a wheeled motor vehicle used for transporting passengers, which also carries its own engine or motor...

 for hire. A livery carriage superior to the hackney was called a remise.

In the United Kingdom
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

, the name hackney carriage refers to a taxicab
Taxicab
A taxicab, also taxi or cab, is a type of vehicle for hire with a driver, used by a single passenger or small group of passengers, often for a non-shared ride. A taxicab conveys passengers between locations of their choice...

 licensed by the Public Carriage Office in Greater London
Greater London
Greater London is the top-level administrative division of England covering London. It was created in 1965 and spans the City of London, including Middle Temple and Inner Temple, and the 32 London boroughs. This territory is coterminate with the London Government Office Region and the London...

 or by the local authority (non-metropolitan district
Non-metropolitan district
Non-metropolitan districts, or colloquially shire districts, are a type of local government district in England. As created, they are sub-divisions of non-metropolitan counties in a so-called "two-tier" arrangement...

 councils or unitary authorities
Unitary authority
A unitary authority is a type of local authority that has a single tier and is responsible for all local government functions within its area or performs additional functions which elsewhere in the relevant country are usually performed by national government or a higher level of sub-national...

) in other parts of Great Britain
Great Britain
Great Britain or Britain is an island situated to the northwest of Continental Europe. It is the ninth largest island in the world, and the largest European island, as well as the largest of the British Isles...

, or by the Department of the Environment
Department of the Environment (Northern Ireland)
The Department of the Environment is a devolved Northern Ireland government department in the Northern Ireland Executive. The minister with overall responsibility for the department is the Minister for the Environment.-Aim:...

 in Northern Ireland
Northern Ireland
Northern Ireland is one of the four countries of the United Kingdom. Situated in the north-east of the island of Ireland, it shares a border with the Republic of Ireland to the south and west...

.

In the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, the police department of the city of Boston has a Hackney Carriage Unit, analogous to taxicab regulators in other cities, that issues Hackney Carriage medallions to its taxi operators.
The name 'hackney' was once thought to be an anglicized derivative of French haquenée—a horse of medium size recommended for lady riders; however, current opinion is that it is derived from the village name Hackney
Hackney
-Places:* London Borough of Hackney, formed in 1965** Metropolitan Borough of Hackney, formed in 1900 and abolished in 1965** Hackney Central** Hackney Central , a political division of the Council** Hackney Central railway station** Hackney College...

 (now part of London).
 
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