sigla

/ˈsɪɡlə/
noun
  1. Abbreviations or symbols used in writing, especially in ancient manuscripts or scholarly texts.
    • The scholar studied the sigla in the medieval manuscript to understand the scribe's notes.
    • In the dictionary, sigla like 'cf.' and 'e.g.' help save space.
    • The old text was full of sigla that modern readers find hard to interpret.
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