n. A vehicle that may be hired for single journeys by members of the public, driven by a taxi driver.verb-intransitive. To be transported by taxi.verb-intransitive. To move slowly on the ground or on the surface of the water before takeoff or after landing: an airplane taxiing down the runway. v. To transport by or as if by taxi: taxied the children to dance class; taxi documents to a law office. v. To cause (an aircraft) to taxi.