- 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for longeron
- a main longitudinal structural member of an aircraft
C20: from French: side support, ultimately from Latin longus long 1
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