Urethra Definition
 yo͝o-rēthrə 
  urethrae, urethras
  
    noun
  
 The duct through which urine is discharged from the bladder in most mammals: in the male, semen is also discharged through the urethra.
 Webster's New World 
Other Word Forms of Urethra
Noun
Singular:
 urethraPlural:
 urethrae, urethrasOrigin of Urethra
- First coined 1634, from Ancient Greek οὐρήθρα (ourÄ“thra, “the passage for urine"), from οὐρέω (oureō, “to make water"). - From Wiktionary 
- Late Latin ūrēthra from Greek ourēthra from ourein to urinate - From American Heritage Dictionary of the English Language, 5th Edition 
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