- testis, testicle, orchis, ball, ballock, bollock, nut, egg - one of the two male reproductive glands that produce spermatozoa and secrete androgens; "she kicked him in the balls and got away"
--1 is a kind of male reproductive gland; gonad, sex gland
--1 is a part of
--1 has parts:male reproductive system; male genitalia, male genitals, male genital organ, family jewels
--1 has particulars: cobblers; undescended testis, undescended testicletesticular artery, internal spermatic artery, arteria testicularis; testicular vein, vena testicularis; seminiferous tubule; epididymis; rete testis; vas deferens, ductus deferens; spermatic cord - bollock, bullock block - a pulley-block at the head of a topmast
--2 is a kind of pulley, pulley-block, block