Let out for hire; devoted to common use; hence, much used; trite; mean; as, hackney coaches; hackney authors.
source: Webster 1913
noun
a carriage for hire
source: WordNet 3.0
a compact breed of harness horse
source: WordNet 3.0
A horse for riding or driving; a nag; a pony.
source: Webster 1913
verb
To devote to common or frequent use, as a horse or carriage; to wear out in common service; to make trite or commonplace; as, a hackneyed metaphor or quotation.
