A holy place or object.
From the Old English halig meaning holy and the suffix -dom refering to a state or condition.
"Indy held the chalice to his lips and received an enraged roar from the tribesmen behind him. To them the chalice was a halidom but to Indy it was simply a tool with which to drink and quench his thirst."
Love Tahlia. Posting early because she missed the first lecture of the semester and is not regretting it one bit.