#lateen_sail__lateen  a triangular fore-and-aft sail used especially in the Mediterranean
  supertype:  #fore-and-aft_sail  any sail not set on a yard and whose normal position is in a fore-and-aft direction
  part of:  #lateen-rig  the rig on a lateen-rigged sailing vessel
     part of:  #dhow  a lateen-rigged sailing vessel used by Arabs

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