What is the meaning of hack?

noun

• One who works hard at boring tasks.
  • synonyms: drudge, hacker
• A politician who belongs to a small clique that controls a political party for private rather than public ends.
  • synonyms: machine politician, ward-heeler, political hack
• A mediocre and disdained writer.
  • synonyms: hack writer, literary hack
• A tool (as a hoe or pick or mattock) used for breaking up the surface of the soil.
• A car driven by a person whose job is to take passengers where they want to go in exchange for money.
  • synonyms: cab, taxi, taxicab
• An old or over-worked horse.
  • synonyms: jade, nag, plug
• A horse kept for hire.
• A saddle horse used for transportation rather than sport etc..

verb

• Cut with a hacking tool.
  • synonyms: chop
• Be able to manage or manage successfully.
  • usage: "I can't hack it anymore"; "she could not cut the long days in the office"
  • synonyms: cut
• Cut away.
  • usage: "he hacked his way through the forest"
• Kick on the arms.
• Kick on the shins.
• Fix a computer program piecemeal until it works.
  • usage: "I'm not very good at hacking but I'll give it my best"
  • synonyms: hack on
• Significantly cut up a manuscript.
  • synonyms: cut up
• Cough spasmodically.
  • usage: "The patient with emphysema is hacking all day"
  • synonyms: whoop