Sydney is mostly a girls' name, but it is used for boys 4.31 percent of the time.
The Sigil of Lucifer, the symbol of Satan. A sigil is a magical symbol, a symbol believed to hold connections to a greater supernatural power. Sigils are often related to Religion.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  sigil(Noun) A seal, signature or signet. 2  sigil(Noun) A sign, image or symbol considered to be magical. 3  sigil(Noun) A nonalphanumeric character affixed to a symbol (e.g. variable) to indicate a property such as type or scope.