perineum

1. (anatomy) The region between the genitalia and anus.Examples: "He was attacked with complete retention of urine, after a debauch, and six weeks afterwards an abscess formed in the perineum, which eventually burst, leaving a fistulous opening, through which the urine continued to be discharged to the period of his admission into the Hospital."; "The prostate is surrounded by venous plexi and the perineum has a rich blood supply."; "The perineum is diamond shaped and stretches from the pubic symphysis to the coccyx."Synonyms: aintcha, bonch, choad, geish, gooch, grundle, guiche, nifkin