a cast of the inside of the cranium, as of a fossil skull, used to determine brain size and shape.
Origin of endocranial cast
First recorded in 1920–25
Also called endocast.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a cast made of the inside of a cranial cavity to show the size and shape of the brain: used esp in anthropologySometimes 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