Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
head-shrinker is a noun meaning "a physician who specializes in psychiatry". It carries 2 recorded senses.
a physician who specializes in psychiatry
a savage who cuts off and preserves the heads of enemies as trophies
Definitions, synonyms and semantic relations for head-shrinker come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.