pxnna_

pe·nis
          	ˈpēnis/
          	noun
          	noun: penis; plural noun: penes; plural noun: penises
          	the male genital organ of higher vertebrates, carrying the duct for the transfer of sperm during copulation. In humans and most other mammals, it consists largely of erectile tissue and serves also for the elimination of urine.
          	• ZOOLOGY
          	a type of male copulatory organ present in some invertebrates, such as gastropod mollusks.