Meaning

noun a car driven by a person whose job is to take passengers where they want to go in exchange for money

verb travel slowly

verb ride in a taxicab

originShortened from taximeter cab, taximeter (“automatic meter that records distance and fare”) from French taximètre, from German Taxameter (whence also English taxameter), coined from Medieval Latin taxa (“tax, charge”). More at tax, task. The aviation sense originally derived from a slang term for training aircraft used for practicing ground operations, which were said to drive around the airfield…

Etymology from Wiktionary, CC BY-SA 3.0