braincase 
noun
The cranium.The bulk of the muscle mass was located in an adductor chamber between the braincase and the dermal skull bones....
- The fourth shot struck the skull above the occipital condyle and entered the braincase; it likely caused instantaneous loss of consciousness and death due to massive brain trauma.
- In contrast with the gorgonopsians, the jaw musculature in early therocephalians expanded dorsally over the braincase, leaving only a narrow sagittal crest between the adductor chambers.
- knowledgment
- know-little
- known
- known man
- know no bounds
- know-nothing
- know-nothingism
- know-nothingness
- know-not-what
- known quantity
- know one's onions
- know one's own mind
- know one's way around (or about)
- knowpert
- know someone by sight
- know someone in the biblical sense
- know something backwards
- know something for a fact
- know something inside out
- know something like the back of one's hand
- know the ropes
- know the score
- know what one is about
- know what one is talking about
- know what one likes