Main Entry:

cra·ni·um

Pronunciation:

\ˈkrā-nē-əm\

Function:

noun

Inflected Form(s):

plural cra·ni·ums or -nia \-nē-ə\

Etymology:

Medieval Latin, from Greek kranion; akin to Greek kara head — more at cerebral

Date:

15th century

: skull ; specifically : the part that encloses the brain : braincase