n, pl  pe*nes  or  pe*nis*es  :  the male copulatory organ of a higher vertebrate animal that in mammals including humans usu. functions as the channel by which urine leaves the body and is typically a cylindrical organ that is suspended from the pubic arch, contains a pair of large lateral corpora cavernosa and a smaller ventromedial corpus cavernosum containing the urethra, and has a terminal glans enclosing the ends of the corpora cavernosa, covered by mucous membrane, and sheathed by a foreskin continuous with the skin covering the body of the organ .
 
 
 
Similar sounding terms:  pan·a·cea  pan·nus  penes  Pi·nus 
 
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