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[lon-jer-uh n] /ˈlɒn dʒər ən/
noun, Aeronautics.
a main longitudinal brace or support on an airplane.
Origin of longeron
1910-15; < French: side-piece, equivalent to long(er) to run alongside, skirt (derivative of long long1) + -eron noun suffix Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for longeron
Historical Examples
  • longeron—The term usually applied to any long spar running length-ways of a fuselage.

  • A large gap in one side of the fuselage, over a longeron that was charred to powder in parts, bore witness to the fire.

British Dictionary definitions for longeron


a main longitudinal structural member of an aircraft
Word Origin
C20: from French: side support, ultimately from Latin longuslong1
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
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Word Origin and History for longeron

1912, from French longeron, from longer "to skirt, extend along," from allonger "to lengthen" (see lunge).

Online Etymology Dictionary, © 2010 Douglas Harper
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