conning tower

[ kon-ing ]
/ ˈkɒn ɪŋ /

noun

the low observation tower of a submarine, constituting the main entrance to the interior.
the low, dome-shaped, armored pilothouse of a warship.

Origin of conning tower

First recorded in 1865–70; con3 + -ing2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for conning tower

conning tower

/ (ˈkɒnɪŋ) /

noun

Also called: sail a superstructure of a submarine, used as the bridge when the vessel is on the surface
the armoured pilot house of a warship

Word Origin for conning tower

C19: see con 4
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012