شت doesn't appear in Hans Wehr's Modern Standard Arabic dictionary, but Lane's Arabic-English Lexicon has 2 entries for it, distinguished by diacritics. Select one below for the full classical Arabic definition.

• شَتَّ Form 1

  1 شَتَّ ذ , (S, A, Mgh, K,) aor. شَتِتَ , (Msb,) inf. n. شَتٌّ (S, Msb, K *) and شَتَاتٌ, (S, A, K, *) or the latter is a simple subst., (Msb,) and شَتيِتٌ (K, by implication,) and شُتُوتٌ; (MA;) and , (K,) and , and ; (…

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• شَتٌّ

  شَتٌّ ذ an inf. n. of 1 [q. v.] (S, Msb, K.) -b2- And signifying Separation, disunion, or dispersion: so in the saying, الحَمْدُ لِلّٰهِ الَّذِى جَمَعَنَا مِنْ شَتٍّ [Praise be to God who has brought us together from a s…

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