a cast of the inside of the cranium, as of a fossil skull, used to determine brain size and shape.
- Also called endocast.
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British Dictionary definitions for endocranial cast
a cast made of the inside of a cranial cavity to show the size and shape of the brain: used esp in anthropology: Sometimes shortened to: endocast
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