penis

[pee-nis]

noun

Anatomy, Zoology.

plural

penises, penes 

1. the primary organ used for insemination and, in male mammals, urination.

penis

/ ˈpiːnɪs /

noun

1. the male organ of copulation in higher vertebrates, also used for urine excretion in many mammals

penis

plural

penises 

1. The male reproductive organ of mammals and some reptiles and birds. In mammals, the penis contains the urethra, which carries urine from the bladder and releases sperm during reproduction.

2. A similar organ found in the males of some invertebrate animals.

penis

1. The organ of the male reproductive system through which semen passes out of the body during sexual intercourse. The penis is also an organ of urination.

Other Word Forms

• penile adjective
• penial adjective

Word History and Origins

Origin of penis¹

First recorded in 1685–95, from Latin pēnis “tail, penis”; akin to Greek péos, Sanskrit pásas

Word History and Origins

Origin of penis¹

C17: from Latin

Related Words

• member 
• phallus 
• weenie