ظفرة 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.

• ظُفْرَةٌ

  ظُفْرَةٌ ذ A certain plant, burning, or biting, to the tongue, (K, TA,) resembling the ظُفْر [or nail] in its coming forth, (TA,) that has a beneficial effect upon foul ulcers, and warts. (K, TA.) -b2- And ظُفْرَةُ العَج…

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• ظَفَرَةٌ

  ظَفَرَةٌ ذ A pellicle that comes over the eye, (T, S, Mgh, O, K,) growing from the side next the nose, (T, S, O,) upon the white of the eye, (S, Mgh, O,) extending to the black: (S, O:) sometimes it is cut off: if left, …

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