1. One of the two male reproductive glands that produce spermatozoa and secrete androgens
   - testis, testicle, orchis, ball, ballock, nut, egg 
2. A pulley-block at the head of a topmast
   - bullock block

Derived forms: bollocks

Type of: block, gonad, male reproductive gland, pulley, pulley block, pulley-block, sex gland

Part of: family jewels, male genital organ, male genitalia, male genitals, male reproductive system

Encyclopedia: Bollock

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