1. (adj.)hieroglyphic of or designating a pictographic script, as that of the ancient Egyptians, in which many of the symbols are conventionalized pictures of the things represented.
2. hieroglyphic inscribed with hieroglyphic symbols.
1. (adj)Hieroglyphic a sacred character; a character in picture writing, as of the ancient Egyptians, Mexicans, etc. Specifically, in the plural, the picturewriting of the ancientEgyptian priests. It is made up of three, or, as some say, four classes of characters: first, the hieroglyphic proper, or figurative, in which the representation of the object conveys the idea of the object itself; second, the ideographic, consisting of symbols representing ideas, not sounds, as an ostrichfeather is a symbol of truth; third, the phonetic, consisting of symbols employed as syllables of a word, or as letters of the alphabet, having a certain sound, as a hawk represented the vowel a
2. (adj)Hieroglyphic any character or figure which has, or is supposed to have, a hidden or mysterious significance; hence, any unintelligible or illegible character or mark
Definitions of Hieroglyphic 
