Nautical A vessel that is capable of operating submerged. Also called sub1
A large sandwich consisting of a long roll split lengthwise and filled with layers of meat, cheese, tomatoes, lettuce, and condiments. Also called sub1, also called regionally Cuban sandwich, grinder, hero, hoagie, Italian sandwich, poor boy, torpedo, wedge, zep
adjective
Beneath the surface of the water; undersea.
verb: -rined, -rin·ing, -rines.
transitive verb
To attack by submarine, especially with torpedoes.
Sports To knock down with a blow to the legs.
Baseball To pitch (a ball) with an underhand motion.
intransitive verb
To slide, drive, or throw under something.
The American Heritage® Dictionary of the English Language, Fourth Edition