Synonyms for Bladder:

n.

appendix, bile duct, abdominal, alimentary canal, bile. brazier, begging bowl, coffer, cylinder, cuspidor, casket, canister. bladder (noun)
vesica.
body (noun)
vesica.
container (noun)
bucket, repository, flask, crate, cabinet, case, drawer, tray, purse, drum, can, basket, pouch, storage, stomach, container, suitcase, vat, bag, trunk, belly, jar, ladle, jug, cup, locker, barrel, bin, cupboard, bowl, reservoir, sack, wallet, pocket, chest, closet, shelf, vault, tank, decanter, holder, receptacle, bottle, cask, box.
pouch (noun)
bag, pocket.

Other synonyms:

abdominal, cuspidor, bile, brazier, bile duct, appendix, alimentary canal. casket, canister, begging bowl, coffer. Other relevant words:
casket, abdominal, vesica, coffer.

Usage examples for bladder

  1. " Nicely, thank you," said the bladder wort. – The Pond by Carl Ewald
  2. One of these is " Water Bladder which requires good swimmers, at least they must not be afraid of the water. – Healthful Sports for Boys by Alfred Rochefort
  3. It is a blown bladder nothing in it but wind. – Expositions of Holy Scripture: Romans Corinthians (To II Corinthians, Chap. V) by Alexander Maclaren