urethra

Từ điển WordNet v3.1 - WordNet Dictionary

noun

duct through which urine is discharged in most mammals and which serves as the male genital duct
• Derivationally related forms:
urethral
• Hypernyms:
duct, epithelial duct, canal, channel
• Part Holonyms:
urinary tract, urogenital system, urogenital apparatus, urinary system, urinary apparatus,
genitourinary system, genitourinary apparatus, systema urogenitale, apparatus urogenitalis, penis, phallus,
member, vulva
• Part Meronyms:
urethral orifice, external orifice, urethral sphincter, musculus sphincter urethrae