The plural form of "thesaurus" is "thesauri" or "thesauruses". Both are correct, but "thesauri" follows the Latin pluralization rule, while "thesauruses" follows the regular English pluralization rule. The English language often borrows from other languages, including Latin, and sometimes the original plural form is used. So, a group of thesauri can help you explore a world of words, just like a constellation of stars lighting up the language universe! 🌌📚
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