skullcap
definition: rounded brimless cap fitting the crown of the head
example:
speech part: noun
synonyms:
definition: the dome of the skull
example:
speech part: noun
synonyms:
calvaria
definition: a herbaceous plant of the genus Scutellaria which has a calyx that, when inverted, resembles a helmet with its visor raised
example:
speech part: noun
synonyms:
helmetflower