Definitions for penisˈpi nɪs
This page provides all possible meanings and translations of the word penis
penis, phallus, member(noun)
the male organ of copulation (`member' is a euphemism)
The erectile external sexual organ of males, used in copulation, and in mammals, also for urination.
The male sexual organ for copulation and urination; the tubular portion of the male genitalia (excluding the scrotum).
Origin: From penis, from pes-.
the male member, or organ of generation
Penis is a general term for the organs with which male and hermaphrodite animals introduce sperm into receptive females during copulation. Such organs occur in many animals, both vertebrate and invertebrate, but males do not bear a penis in every animal species, and in those species in which the male does bear a so-called penis, the penes in the various species are not necessarily homologous. For example, the penis of a mammal is at most analogous to the penis of a male insect or barnacle. The term penis applies to many reproductive intromittent organs, but not to all; for example the intromittent organ of most cephalopoda is the hectocotylus, a specialised arm, and male spiders use their pedipalps. In most species of animals in which there is an organ that might reasonably be described as a penis, it has no major function other than intromission, or at least conveying the sperm to the female, but in the placental mammals the penis bears the distal part of the urethra, which discharges both urine during urination and semen during copulation as the occasion requires.
U.S. National Library of Medicine
The external reproductive organ of males. It is composed of a mass of erectile tissue enclosed in three cylindrical fibrous compartments. Two of the three compartments, the corpus cavernosa, are placed side-by-side along the upper part of the organ. The third compartment below, the corpus spongiosum, houses the urethra.
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