جذمة doesn't appear in Hans Wehr's Modern Standard Arabic dictionary, but Lane's Arabic-English Lexicon has 4 entries for it, distinguished by diacritics. Select one below for the full classical Arabic definition.

• جَذْمَةٌ

  جَذْمَةٌ ذ The place of the arm, or hand, where it is cut off, or amputated; as also . (K.)…

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• جُذْمَةٌ

  جُذْمَةٌ ذ The defect, or deficiency, of him who has had his arm, or hand, amputated, or who has lost the end-joints of his fingers: so accord. to the copies of the K: but in the L, the defect, or deficiency [resulting] …

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• جِذْمَةٌ

  جِذْمَةٌ ذ A piece cut off (S, K) of a rope &c., (S,) or of a thing of which the extremity has been cut off, the lower, or principal, part remaining; (K;) as also . (TA.) -b2- A whip: (S, K:) because it becomes cut by th…

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• جَذَمَةٌ

  جَذَمَةٌ ذ : see جَذْمَهٌ. -b2- Also The uppermost pith of the palm-tree; which is the best; (K;) like جَذَبَةٌ. (TA.) -b3- And Dates that come forth upon one base. (TA.)…

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