- the horizontal surface, usually fixed, of an aircraft empennage, to which the elevator is hinged.
Also called, especially British, tail plane.
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- the US name for tailplane
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