Definition: The word "archencephalic" is a Greek word meaning "like an arch," referring to an understanding or perception that something is more than its parts, like the structure of an ancient tree trunk. Definition: In the context of the Old Testament, the term 'archencephalic' refers to an understanding or perception that something is more than its parts, like the structure of an ancient tree trunk. It typically implies that something is complex beyond mere physical attributes and has deeper meanings, as if it were a whole person or entity.