1. A large cask; an oblong vessel bulging in the middle, like a pipe or puncheon, and girt with hoops; a wine cask.
  2. A fermenting vat.
  3. An old English measure of capacity for liquids, containing 252 wine gallons; equal to two pipes.
  4. A weight of 2,240 pounds.
  5. An indefinite large quantity.
  6. A drunkard.
  7. Any shell belonging to and allied genera; called also tun-shell.
  8. A part of the ancient Maya Long Count Calendar system which corresponds to 18 winal cycles or 360 days.


  1. To put into tuns, or casks.

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