wheel·house (w?l?hous?, hw?l?-)n. See pilothouse.Idiom: in (one’s) wheelhouse1. In the area of one’s greatest striking power: a fastball that was right in the batter’s wheelhouse.2. In line with one’s interests or abilities: a movie script that is right in that actor’s wheelhouse.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.wheelhouse (?wi?l?ha?s) n (Nautical Terms) another term for pilot houseCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014pi?lot?house (?pa? l?t?ha?s) n., pl. -hous?es (-?ha? z?z) an enclosed structure on the deck of a ship from which it can be navigated. Also called wheelhouse. [1840?50, Amer.] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.