skullnounmasculine/ˈkɾɐni.u/mediumcra·ni·oPortuguesEnglishEspanolFrancaisDefinitionPart of the skeleton that protects the brain.The skull is an important part of the body.He suffered an injury to his skull.synheadbony headCommon collocationshuman skullanimal skullEtymologyDo grego 'kranion'Related wordscranianacranioscopia