articulated adjective 3noun 1forms 1 adjective3 •Constructed with one or more pivoted joints which allow bending of an otherwise rigid structure. •Of a vehicle, composed of component parts each with its own wheels and chassis, e.g. an articulated lorry, articulated bus, or certain kinds of streetcars and trains.The trains are a fixed formation of four articulated vehicles, and are fitted with large vestibules, wide aisles, open gangways and air-conditioning. — 2019 •Qualified by an article noun1 •An articulated vehicle, such as a locomotive.The leading engine was one of the Class Y6 2-8-8-2 compound articulateds, [...] The stack noise of one of these great brutes slogging up a grade was quite unforgettable. — 1961 formsarticulateds