سحف 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.

• سَحَفَهُ Form 1

  1 سَحَفَهُ ذ , (S, K, TA,) aor. سَحَفَ , (K, TA,) inf. n. سَحْفٌ, (S, TA,) He pared it, or peeled it, off; (S, K, TA;) namely, a thing; (TA;) and [particularly] the fat from the back (S, K) of the sheep or goat, (S, TA,)…

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• سَحْفٌ

  سَحْفٌ ذ Fat, as a subst.: pl. سِحَافٌ. (TA.) An Arab of the desert said, أَتَوْنَا بِصِحَافٍ فِيهَا لِحَامٌ وَسِحَافٌ They brought us bowls in which were sorts of flesh-meat and of fat. (IAar K, * TA.)…

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