having a head whose cranial vault is broad or flat
Also: platycephalous (ˌplætɪˈsefələs)
Word origin
[1860–65; platy- + -cephalic]This word is first recorded in the period 1860–65. Other words that entered Englishat around the same time include: jumping jack, monism, mutualism, prep, trade nameplaty- is a combining form meaning “flat,” “broad,” used in the formation of compound words.Other words that use the affix platy- include: platykurtic, platypod, platypus, platyrrhine