لوط 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.

• لَاطَ Form 1

  1 لَاطَ بِهِ ذ , aor. يَلُوطُ, inf. n. لَوْطٌ; (Msb, TA;) and aor. يَلِيطُ, inf. n. لَيْطٌ; (TA;) It (a thing, Msb, or anything, TA) clave, stuck, or adhered, to it. (Msb, TA.) You say, لَاطَ الشَّىْءُ بِقَلْبِى, aor. يَ…

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• لَوْطٌ

  لَوْطٌ ذ A thing cleaving, sticking, or adhering: an inf. n. used as an epithet. (K.) -b2- [Hence the saying,] إِنِّى لَأَجِدُ لَهُ فِى قَلْبِى لَوْطًا (assumed tropical:) Verily I feel for him, in my heart, a love cleav…

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