ETYM Greek gonos that which generates.
Sexual gland; ovary or testis.
One of the masses of generative tissue primitively alike in both sexes, but giving rise to either an ovary or a testis; a generative gland; a germ gland.
The part of an animal's body that produces the sperm or egg cells (ova) required for sexual reproduction. The sperm-producing gonad is called a testis, and the egg-producing gonad is called an ovary.