testicle

noun

A testis, especially one contained within a scrotum.

noun

One of the two glands in the male which secrete the spermatozoa and some of the fluid elements of the semen; a testis.

noun

One of the essential male genital glands which secrete the semen.

noun

The male sex and endocrine gland, found in some types of animals, that produces sperm and male sex hormones, including the steroid testosterone.

noun

one of the two male reproductive glands that produce spermatozoa and secrete androgens