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tail plane

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noun Aeronautics (chiefly British ).
  1. horizontal stabilizer.

Origin of tail plane

First recorded in 1905–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for tailplane

tailplane

noun
  1. a small horizontal wing at the tail of an aircraft to provide longitudinal stabilityAlso called (esp US): horizontal stabilizer
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