1the action or an instance of forcibly taking someone away against their will:they organized the abduction of Mr. Cordes on his way to the airportabductions by armed men in plain clothes
(in legal use) the illegal removal of a child from parents or guardians.
2 Physiology the movement of a limb or other part away from the midline of the body, or from another part.The opposite of adduction (see adduct1).