Source : WordNet®

bollock
     n 1: one of the two male reproductive glands that produce
          spermatozoa and secrete androgens; "she kicked him in
          the balls and got away" [syn: {testis}, {testicle}, {orchis},
           {ball}, {ballock}, {nut}, {egg}]
     2: a pulley-block at the head of a topmast [syn: {bullock block}]