cranio-

American  

1. a combining form representing cranium in compound words.

   craniotomy.

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cranio- British  

combining form

1. indicating the cranium or cranial

   craniotomy

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Usage

What does cranio- mean? Cranio- is a combining form used like a prefix representing the word cranium, the skull, especially the part that covers the brain. It is often used in medical terms, especially in anatomy. Cranio- ultimately comes from the Greek krāníon, meaning “skull.”What are variants of cranio-?When combined with words or word elements that begin with a vowel, cranio- becomes crani-, as in craniectomy.