Noun bladder has 2 senses
  1. bladder, vesica - a distensible membranous sac (usually containing liquid or gas)
    --1 is a kind of sac
    --1 has particulars: gallbladder; urinary bladder
  2. bladder - a bag that fills with air
    --2 is a kind of
    bag
    --2 is a part of football
,
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