Definitions
1.noun(chiefly in the plural) a writing system of ancient Egypt, Minoans, Maya and other civilizations, using pictorial symbols to represent individual sounds as a rebus
2.nounAny symbol used in this system; a hieroglyph
3.noun(by extension) undecipherable handwriting or secret symbol
4.adjectiveOf, relating to, or written with this system of symbols"hieroglyphic obelisk"
5.adjectiveDifficult to decipher