Definition of "Hieratic" :
noun: a cursive form of Egyptian hieroglyphics; used especially by the priests
adjective: adhering to fixed types or methods; highly restrained and formal
"The more hieratic sculptures leave the viewer curiously unmoved."
adjective: written or belonging to a cursive form of ancient Egyptian writing
"Hieratic Egyptian script."
adjective: associated with the priesthood or priests
"Hieratic gestures."