a combining form representing cranium in compound words: craniotomy.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for cranio-
before a vowel crani-
indicating the cranium or cranialcraniotomy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for cranio-
word-forming element meaning "of the brain," from Latinized comb. form of Greek kranion "skull" (see cranium).
Online Etymology Dictionary, © 2010 Douglas Harper
Medicine definitions for cranio-
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.