What is the meaning of taxis?

noun

• A car driven by a person whose job is to take passengers where they want to go in exchange for money.
  • synonyms: cab, hack, taxi, taxicab
• A locomotor response toward or away from an external stimulus by a motile (and usually simple) organism.
• The surgical procedure of manually restoring a displaced body part.

verb

• Travel slowly.
  • usage: "The plane taxied down the runway"
  • synonyms: taxi
• Ride in a taxicab.
  • synonyms: taxi, cab