urethra(n = noun.body) - duct through which urine is discharged in most mammals and which serves as the male genital duct;
is a kind of canal, channel, duct, epithelial duct
is a part of apparatus urogenitalis, genitourinary apparatus, genitourinary system, systema urogenitale, urinary apparatus, urinary system, urogenital apparatus, urogenital system, urinary tract, vulva, member, penis, phallus
has parts: external orifice, urethral orifice, musculus sphincter urethrae, urethral sphincter
Derived form adjective urethral1
The canal by which the urine is conducted from the bladder and discharged. [1913 Webster]
urethra, n. (pl. urethrae or urethras) the duct by which urine is discharged from the bladder.
Derivative:
urethral adj. urethritis n.
Etymology:
LL f. Gk ourethra (as URETER)