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Penis definition

pēnĭs
penes penises
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The male organ of copulation in higher vertebrates. In mammals, it also serves as the male organ of urinary excretion.
noun
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The definition of a penis is a male genital organ.

An example of penis is a male genital organ used for sex and urination.

noun
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The male organ of sexual intercourse: in mammals it is also the organ through which urine is excreted.
noun
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Any of various copulatory organs in males of lower animals.
noun
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The male organ of copulation in higher vertebrates. In mammals, it also serves as the male organ of urinary excretion.
noun
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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.
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(anatomy) The male sexual organ for copulation and urination; the tubular portion of the male genitalia (excluding the scrotum).

The female clitoris is homologous to the male penis.

noun
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Any of various copulatory organs in males of lower animals.
noun
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A similar organ found in the males of some invertebrate animals.
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Other Word Forms

Noun

Singular:
penis
Plural:
penises

Origin of penis

  • Latin pēnis pes- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin pēnis (“tail, penis”), from Proto-Indo-European *pes-. Displaced native English pintle.

    From Wiktionary

Penis Sentence Examples

  • The penis is very large, cylindrical, with a truncated, expanded, flattened termination.

  • The skin of the penis forms a fold which covers the glans and is known as the prepuce or foreskin; when this is drawn back a median fold, the frenuluni praeputii, is seen running to just below the meatus.

  • The penis, and its much reduced vestige of the female, is developed from the ventral wall of the proctodaeum.

  • Insemination takes place either by the introduction of the penis into the cloaca of the female, or by the puncture of the bodywall of the female by the penis, and the injection of the sperm into the body cavity, whence the single spermatozoa must make their way to the eggs.

  • The spongy urethra is that part which is enclosed in the penis after piercing the anterior layer of the triangular ligament.

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