Of or pertaining to priests, especially pharaonic priests of Ancient Egypt.

(historical) A writing system used in pharaonic Egypt that was developed alongside the hieroglyphic system, primarily written in ink with a reed brush on papyrus, allowing scribes to write quickly without resorting to the time consuming hieroglyphs.

In a hieratic way.

Alternative form of hieratic

plural of hieratic

(historical) The highly simplified and cursive ancient Egyptian script that developed from Upper Egyptian hieratic writing from around 1100 BCE until its supersession by its Lower Egyptian counterpart Demotic around 650 BCE.

Alternative letter-case form of Abnormal Hieratic

priesthood, its principles and practices

(historical) A kind of ancient Roman paper, eleven inches wide, mainly used for sacred books and writings.