1. [n]  a submersible warship usually armed with torpedoes
2. [n]  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
3. [adj]  beneath the surface of the sea
4. [v]  attack by submarine; "The Germans submarined the Allies"
5. [v]  control a submarine
6. [v]  bring down with a blow to the legs, in sports
7. [v]  throw with an underhand motion, as of a baseball
8. [v]  move forward or under in a sliding motion; "The child was injured when he submarined under the safety belt of the car"

Submarine
Description not available.

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1. \Sub`ma*rine"\, n.
   A submarine boat; esp., Nav., 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.
   

2. \Sub`ma*rine"\, a.
   Being, acting, or growing, under water in the sea; as,
   submarine navigators; submarine plants.
   {Submarine armor}, a waterproof dress of strong material,
      having a helmet into which air for breathing is pumped
      through a tube leading from above the surface to enable a
      diver to remain under water.
   {Submarine cable}. See {Telegraph cable}, under {Telegraph}.
   {Submarine mine}. See {Torpedo}, 2
   (a) .
   

3. \Sub*ma*rine"\, n.
   A submarine plant or animal.