external_orifice
1. [ noun ] (anatomy,zoology) the orifice through which urine is discharged
Synonyms: urethral_orifice
Related terms: orifice vagina urethra
Similar spelling:   external_organ
  external_drive
  external_storage
  external_angle
  external_gill
  externalization
  externalisation
  external_nasal_vein
  external_iliac_vein
  external_carotid