bladder

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a distensible membranous sac (usually containing liquid or gas)
• Syn:
vesica
• Derivationally related forms:
vesical (for: vesica), bladdery
• Hypernyms:
sac
• Hyponyms:
gallbladder, gall bladder, urinary bladder
2. a bag that fills with air
• Hypernyms:
bag
• Part Holonyms:
football