Letters that make U-boat
a, o, b, t, u are letters that make 'U-boat'
1 possible definitions for 'U-boat'
Under this definition, u-boat is a noun and has the following properties:
'U-boat' can be a type of submersible, submersible warship.
attack submarine, fleet ballistic missile submarine, nuclear submarine, nuclear-powered submarine, nautilus, auxiliary research submarine are types of 'U-boat'.
conning tower, escape hatch, periscope, snorkel, schnorkel, schnorchel, snorkel breather, breather, echo sounder, asdic, sonar are parts of 'U-boat'.