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bollock

/ˈbɒ.lək/ noun

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about bollock at Wordnik → Where our words come from →

  1. One of the two male reproductive glands that produce spermatozoa and secrete androgens.
    she kicked him in the balls and got away
  2. A pulley-block at the head of a topmast.

Origin

From Middle English ballok, from Old English bealluc (“testicle”, literally “little ball”). By surface analysis, ball + -ock.

From Wiktionary, via Kaikki.org (CC BY-SA)