What does the word demiJohn mean?

Usage examples for demiJohn

  1. And when O'Flynn said that about keeping his big demijohn out of the inventory and apart from the common stores, I sat on him. – The Magnetic North by Elizabeth Robins (C. E. Raimond)
  2. Old Jem had a demijohn of cherry rum, thirty years unopened. – The Sea Bride by Ben Ames Williams
  3. There they entertained him with two bottles of cointreau and a stone demijohn of cornwhisky. – Greener Than You Think by Ward Moore
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