'Urethra' definitions:
Definition of 'urethra'
From: WordNet
noun
Duct through which urine is discharged in most mammals and which serves as the male genital duct
Definition of 'Urethra'
From: GCIDE
- Urethra \U*re"thra\, n. [L., fr. Gr. ?. See Urine.] (Anat.) The canal by which the urine is conducted from the bladder and discharged. [1913 Webster]