an automobile with a professional driver which can be hired to carry passengers; -- also called a taxi, and informally called a cab or a hack. The driver of a taxicab is referred to as a cab driver or cabbie, and sometimes as a chauffeur or hackie.
Vehicle primarily engaged in furnishing passenger transportation (usually automobiles, but sometimes vans or minivans) not operated on a regular schedule or between fixed terminals. Taxicab fleet owners and organizations are included, regardless of whether drivers are hired or rent their taxicabs or are otherwise compensated.
a car driven by a person whose job is to take passengers where they want to go in exchange for money