Being, acting, or growing, under water in the sea; as, submarine navigators; submarine plants.

A submarine boat; a ship that can travel under the surface of the water. Most such ships are ships of war, as part of a navy, but submarines are also used for oceanic research. Also called sub and (from the German U-Boot) U-boat.

a submarine torpedo boat; -- called specif. submergible submarine when capable of operating at various depths and of traveling considerable distances under water, and submersible submarine when capable of being only partly submerged, i.e., so that the conning tower, etc., is still above water. The latter type and most of the former type are submerged as desired by regulating the amount of water admitted to the ballast tanks and sink on an even keel; some of the former type effect submersion while under way by means of horizontal rudders, in some cases also with admission of water to the ballast tanks.

The motion of a body during a crash under certain conditions. The body slides, legs first, often causing the lap belt to ride up onto the abdomen.

A submarine pitch is one that is thrown with the arm lower than side arm, but not as low as underhand.

move forward or under in a sliding motion; "The child was injured when he submarined under the safety belt of the car"

A submarine sandwich.

a large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments); different names are used in different sections of the United States

The early-mid-1990s English band Submarine followed in the footsteps of many of its contemporaries, including The Flaming Lips, Mercury Rev, Boo Radleys and My Bloody Valentine with its own unique vision of noise pop, before morphing into the entity Jetboy DC, which continues on sporadically to this day.

"(Military slang.) The Biosafety Level 4 morgue at USAMRIID."

(slang) duck; underplay one or more winners (usually used when the purpose is an attempt to rectify the count for a squeeze).

a hermetic and claustrophobic environment, and makes an excellent setting for a thriller

Submarine is the debut album by the Irish rock group Whipping Boy, released in July 1992 on the Liquid Records label.

a lot like the state of Hawaii

a sealed container that contains people and a limited supply of air

a sealed container with a very limited supply of air and water

a tight, enclosed space which is also conveniently sealed to keep any hydrogen from getting away

a true feat of engineering

attack by submarine; "The Germans submarined the Allies"

a difficult marble to categorize

a crew member's entire world

a powerful and essential contribution to meeting these Canadians responsibilities

A target.

bring down with a blow to the legs

A submarine plant or animal.

control a submarine