Definition of “sigil”
noun:
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A seal, signature or signet.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
A sign, image or symbol considered to be magical.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
A nonalphanumeric character affixed to a symbol (e.g. variable) to indicate a property such as type or scope.
from Wiktionary, Creative Commons Attribution/Share-Alike License
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