Noun head-shrinker has 2 senses

• head-shrinker(n = noun.person) psychiatrist, shrink - a physician who specializes in psychiatry; Array
has particulars: alienist, analyst, psychoanalyst, horney, karen danielsen horney, karen horney, jaspers, karl jaspers, karl theodor jaspers, charles frederick menninger, charles menninger, menninger, karl augustus menninger, karl menninger, menninger, menninger, william claire menninger, william menninger, harry stack sullivan, sullivan
is a kind of medical specialist, specialist

• head-shrinker(n = noun.person) headhunter - a savage who cuts off and preserves the heads of enemies as trophies; Array
is a kind of barbarian, savage