u-boat

Noun u-boat has 1 sense

• u-boat(n = noun.artifact) pigboat, sub, submarine - a submersible warship usually armed with torpedoes;
has particulars: attack submarine, auxiliary research submarine, fleet ballistic missile submarine, nautilus, nuclear-powered submarine, nuclear submarine
has parts: conning tower, escape hatch, periscope, breather, schnorchel, schnorkel, snorkel, snorkel breather, asdic, echo sounder, sonar
is a kind of submersible, submersible warship