from The American Heritage® Dictionary of the English Language, 4th Edition

  • Jealously guarded assets or secrets.
  • Slang The male genitals.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Testicles.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. external male sex organs


Sorry, no etymologies found.


  • They took – at least Mr. Vermilye did – all the property of Lord Luxmore's that he could lay his hands upon – family jewels and money to a considerable amount.

    John Halifax, Gentleman

  • Mr. Camperdown's first attempt was made by a most courteous and even complimentary note, in which he suggested to Lady Eustace that it would be for the advantage of all parties that the family jewels should be kept together.

    The Eustace Diamonds


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  • "Noun. A jocular euphemism for the male genitals, emphasising their personal importance. Not heard very often and occasionally shortened to 'jewels'."

    September 23, 2008

  • cause I'm the nu . . . family jewels!

    March 3, 2007

  • How did I know I would find you here, Abraxas?

    March 3, 2007