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Verb: keelhaul  'keel,hol
  1. To haul under the keel of a ship, by ropes attached to the yardarms on each side. It was formerly practised as a punishment in the Dutch and English navies
    "Ship-shape drilling vessels also require the keelhaul operation"

Derived forms: keelhauled, keelhauling, keelhauls

Encyclopedia: Keelhaul