Definition of cephalic index
: the ratio multiplied by 100 of the maximum breadth from side to side of the head to its maximum length from front to back in living individuals — compare cranial index
First Known Use of cephalic index
Medical Definition of cephalic index
: the ratio multiplied by 100 of the maximum breadth of the head to its maximum length—compare cranial index
Learn More about cephalic index
Medical Dictionary: Definition of "cephalic index"
Seen and Heard
What made you want to look up cephalic index? Please tell us where you read or heard it (including the quote, if possible).