"pigboat" | Definition and Related Words

Noun

is a type of: submersible, submersible warship - a warship designed to operate under water
subtypes:
- 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
has:
- conning tower - a raised bridge on a submarine; often used for entering and exiting
- escape hatch - hatchway that provides a means of escape in an emergency
- periscope - an optical instrument that provides a view of an otherwise obstructed field
- breather, schnorchel, schnorkel, snorkel, snorkel breather - air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time
- asdic, echo sounder, sonar - a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return
same as: sub, submarine, u-boat