(n)egganimal reproductive body consisting of an ovum or embryo together with nutritive and protective envelopes; especially the thin-shelled reproductive body laid by e.g. female birds
(n)testis, testicle, orchis, ball, ballock, bollock, nut, eggone of the two male reproductive glands that produce spermatozoa and secrete androgens“she kicked him in the balls and got away”