hackney writer
noun1
Obsolete A writer for hire.
- […] he learned, that Justice Gobble, whose father was a tailor, had for some time served as a journeyman hosier in London, where he had picked up some law terms, by conversing with hackney writers and attorneys’ clerks of the lowest order; […]1760, Tobias Smollet, The Life and Adventures of Sir Launcelot Greaves:
- […] and at this his first entrance on the world he found, as he himself said, no choice but to be a hackney writer or a hackney coachman.1910, G. M. Godden, Henry Fielding: A Memoir: