睾丸酮 gāowántóng testosterone Origin Definitions Defs Strokes Stroke Words Sentences Sents 睾丸 睪丸 gāowán noun testicle A male reproductive organ in humans and certain animals that produces sperm and secretes male hormones.酮 tóng ketone (bound form) ketone; an organic compound containing a carbonyl group connected to two hydrocarbon groups