Definition of taxis :
1. In technical uses, as in architecture, biology, grammar, etc., arrangement; order; ordonnance.
2. Manipulation applied to a hernial tumor, or to an intestinal obstruction, for the purpose of reducing it.
vehicles (part of speech: noun)
fire engines, landaus, automobiles, station wagons, trains, taxicabs, broughams, vans, carts, tractors, coaches, hearses, ambulances, roadsters, boats, coupes, ferries, buggies, limousines, bicycles, jalopies, autos, boxcars, armored cars, cars, gondolas, barges, motorcycles, sedans, vehicles, jeeps, stagecoaches, conveyances, cabs, ships, hot rods, buses, sleds, trucks, motorcars, sledges, wagons, convertibles