Apa itu submarine? Apa itu submarine? 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.Beneath the surface of the water; undersea. 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.To slide, drive, or throw under something.