To make clear or effective.

To speak clearly; to enunciate.

"I wish he’d articulate his words more clearly."

To explain; to put into words; to make something specific.

"I like this painting, but I can’t articulate why."

To bend or hinge something at intervals, or to allow or build something so that it can bend.

"an articulated bus"

To attack a note, as by tonguing, slurring, bowing, etc.

"Articulate that passage heavily."

To form a joint or connect by joints

"The lower jaw articulates with the skull at the temporomandibular joint."

To treat or make terms.

An articulated vehicle, such as a locomotive.

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.