pigboat

Other forms: pigboats

Definitions of pigboat
  1. noun
    a submersible warship usually armed with torpedoes
    synonyms: U-boat, sub, submarine
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    types:
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    attack submarine
    a military submarine designed and armed to attack enemy shipping
    auxiliary research submarine
    a submarine for research purposes
    fleet ballistic missile submarine
    a submarine carrying ballistic missiles
    nautilus, nuclear submarine, nuclear-powered submarine
    a submarine that is propelled by nuclear power
    type of:
    submersible, submersible warship
    a warship designed to operate under water
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