The Collaborative International Dictionary
Hierogrammatist
Hierogrammatist \Hi`er*o*gram"ma*tist\, n. [Cf. F.
hi['e]rogrammatiste.]
A writer of hierograms; also, one skilled in hieroglyphics.
--Greenhill.
Wiktionary
hierogrammatist
n. 1 A writer of hierograms 2 One skilled in hieroglyphics.