What is the meaning of the word "hackney coach"?

Definitions:

  1. A carriage or coach that is available for hire, especially a four-wheeled carriage with two horses and seating for six people. copy to clipboard NOUN
    • In the bustling streets of 18th century London, hackney coaches were a common sight, ferrying passengers from place to place. copy to clipboard
  2. A horse-drawn carriage available for hire to the public, used for transportation in urban areas, particularly popular in the 17th to the 19th centuries. copy to clipboard NOUN
    • They hailed a hackney coach to take them to the theater. copy to clipboard

Synonyms: