craniotabes

noun
cra·​nio·​ta·​bes | \ ˌkrā-nē-ə-ˈtā-(ˌ)bēz How to pronounce craniotabes (audio) \
plural craniotabes

Medical Definition of craniotabes

: a thinning and softening of the infantile skull in spots usually due to rickets or syphilis