D defs.my
Entry 2 senses Webster, 1913

Conning tower

/kän'-ĭng tou'-ẽr/ · Con·ning tow·er · IPA
01 n. The shot-proof pilot house of an [early] war vessel.
  1. 1.
    The shot-proof pilot house of an [early] war vessel.
  2. 2.
    A connecting structure between the bridge and pressure hull of a submarine.