صارف 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.

• صَاْرَفَ Form 3

  3 صَاْرَفَ see 1, third sentence. -b2- The inf. n. مُصَارَفَةٌ signifies also (assumed tropical:) The dealing, or buying and selling, with any one بِصَرْفٍ [app. meaning with art or artifice or cunning, or it may perhaps…

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• صَارِفٌ

  صَارِفٌ ذ [act. part. n. of 1: as such having, among other meanings, the meaning of Grating, or creaking; or making a grating, or creaking, sound: and so , but properly in an intensive sense; for] the dual of صَرَّافٌ is…

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