Submarine /(?)/

Sub·ma·rine

Submarine

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

Phrases & Compounds
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).

Submarine

n.
  1. A submarine plant or animal.

Submarine

n.
  1. 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. Nav.
  2. A stowaway on a seagoing vessel. [Colloq.]
  3. A submarine sandwich.