hack·ney /ˈhækni/
  乘用馬,出租馬車,操賤役的人(vt.)出租,酷使,再三用之使變舊(a.)出租的
  Hack·ney n.; pl. Hackneys
  1. A horse for riding or driving; a nag; a pony.
  2. A horse or pony kept for hire.
  3. A carriage kept for hire; a hack; a hackney coach.
  4. A hired drudge; a hireling; a prostitute.
  Hack·ney, a. Let out for hire; devoted to common use; hence, much used; trite; mean; as, hackney coaches; hackney authors. “Hackney tongue.”
  Hack·ney, v. t. [imp. & p. p. Hackneyed p. pr. & vb. n. Hackneying.]
  1. 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.
  Had I so lavish of my presence been,
  So common-hackneyed in the eyes of men.   --Shak.
  2. To carry in a hackney coach.
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  hackney
       n 1: a carriage for hire [syn: hackney carriage, hackney coach]
       2: a compact breed of harness horse