شمر doesn't appear in Hans Wehr's Modern Standard Arabic dictionary, but Lane's Arabic-English Lexicon has 5 entries for it, distinguished by diacritics. Select one below for the full classical Arabic definition.

• شَمَرَ Form 1

  1 شَمَرَ ذ , aor. شَمُرَ , inf. n. شَمْرٌ: see the next paragraph, in five places.…

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• شمّر Form 2

  2 شمّر ذ , (S, A, Msb, K,) inf. n. تَشْمِيرٌ, (S, K,) He raised, (S, Msb, K,) or tucked up, or contracted, (A,) his garment, (Msb, K,) or his waist-wrapper, (S,) [or his sleeve,] or his skirts. (A.) One says, شمّر عَنْ س…

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• شِمْرٌ

  شِمْرٌ ذ , applied to a man, (assumed tropical:) Light, agile, or active; acute, or sharp, or quick, in intellect; clever, knowing, or intelligent; syn. زَوْلٌ; and بَصِيرٌ; (ElMuärrij, O, K;) and نَاقِدٌ; (O, K;) thus a…

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• شَمَرٌ

  شَمَرٌ ذ : see شَمَارٌ.…

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• شِمِرٌّ

  شَرٌّ شِمِرٌّ ذ Severe evil. (S, O, K.) It is said in a prov., أَلْجَأَهُ الخَوْفُ إِلَى شَرٍّ شِمِرٍّ, (TA,) or أَجَآءَهُ, (so in a copy of the A,) [Fear compelled him to betake himself to that which was a severe evil:…

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