sub•mers•i•blePronunciation: (sub-mûr'su-bul), [key]
capable of being submersed.
capable of functioning while submersed: a submersible pump.
a ship capable of submerging and operating under water; submarine.
a device designed for underwater work or exploration, as a bathyscaphe or diving bell.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.