Webster's 1828 Dictionary
HIEROGRAM
n.[Gr. sacred, and letter. ] A species of sacred writing.
HIEROGRAMMATIC
a.[Gr. sacred, and letter. ] Denoting a kind of writing in sacred or sacerdotal characters, used only by the priests in Egypt.
HIEROGRAMMATIST
n.A writer of hieroglyphics.
Webster's 1913 Dictionary
HIEROGRAM
Hi "er *o *gram, n. Etym: [Gr. -gram. ]
Defn: A form of sacred or hieratic writing.
HIEROGRAMMATIC
Hi `er *o *gram "mat "ic, a. Etym: [Cf. F. hiérogrammatique.]
Defn: Written in, or pertaining to, hierograms; expressive of sacred writing. Bp. Warburton.
HIEROGRAMMATIST
Hi `er *o *gram "ma *tist, n. Etym: [Cf. F. hiérogrammatiste.]
Defn: A writer of hierograms; also, one skilled in hieroglyphics. Greenhill.
New American Oxford Dictionary
hierogram
hi er o gram |ˈhī (ə )rəˌgram ˈhaɪərəˌræm | ▶noun a sacred inscription or symbol.
Oxford Dictionary
hierogram
hierogram |ˈhʌɪ (ə )rə (ʊ )gram | ▶noun a sacred inscription or symbol.
Duden Dictionary
Hierogramm
Hi e ro gramm Substantiv, Neutrum , das |Hierogr a mm |das Hierogramm; Genitiv: des Hierogramms, Plural: die Hierogramme griechisch-neulateinisch ; »heilige Schrift «Zeichen einer geheimen altägyptischen Priesterschrift, die ungewöhnliche Hieroglyphen aufweist
The Wordsmith Dictionary