Also means
abbreviation
Usage Note
Sigla (often used in the plural siglas) refers to an acronym or set of initials, such as ONU or AVE. A sigla takes the gender of the head noun it abbreviates: la ONU (from la Organización), el FBI. When a sigla is pronounceable as a word, it is also called an acrónimo.
Examples
"¿Sabes qué significa esta sigla?"
Natural Translation
Do you know what this acronym stands for?

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