n 1  :  the action or manner in which the parts come together at a joint <a sketch showing the of the limbs>   2 a  :  a joint between bones or cartilages in the vertebrate skeleton that is immovable when the bones are directly united, slightly movable when they are united by an intervening substance, or more or less freely movable when the articular surfaces are covered with smooth cartilage and surrounded by an articular capsule - see AMPHIARTHROSIS DIARTHROSIS SYNARTHROSIS   b  :  a movable joint between rigid parts of any animal (as between the segments of an insect appendage)  3 a  :  the act or manner of articulating  b  :  an articulated utterance or sound  4 a (1) :  the act of properly arranging artificial teeth (2) :  an arrangement of artificial teeth  b  :  OCCLUSION 2a .
 
 
 
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