Definition of "Articulate" :

verb: express or state clearly

verb: speak, pronounce, or utter in a certain way

verb: put into words or an expression

verb: provide with a joint

verb: unite by forming a joint or joints

"The ankle bone articulates with the leg bones to form the ankle bones."

adjective: expressing yourself easily or characterized by clear expressive language

"Articulate speech."

adjective: consisting of segments held together by joints