vesica

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a distensible membranous sac (usually containing liquid or gas)
• Syn:
bladder
• Derivationally related forms:
vesical, bladdery (for: bladder)
• Hypernyms:
sac
• Hyponyms:
gallbladder, gall bladder, urinary bladder