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[uhn-der-kar-ij] /ˈʌn dərˌkær ɪdʒ/
the supporting framework underneath a vehicle, as an automobile or trailer; the structure to which the wheels, tracks, or the like are attached or fitted.
the portions of an aircraft that are below the body.
Origin of undercarriage
1785-95; under- + carriage Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for undercarriage
Historical Examples
  • Several times I held my breath, from fear that our undercarriage would hit a roof or a tree-top.

  • Now, coming around the wing, I saw that there was no undercarriage.

    The Night of the Long Knives Fritz Reuter Leiber
  • Allan jumped for it, his fingers caught and clung to the undercarriage.

    When the Sleepers Woke Arthur Leo Zagat
  • I busted a wing and wiped the undercarriage right off, and didn't get a scratch.

    Dave Dawson at Dunkirk Robert Sydney Bowen
  • The wheels of the undercarriage have a way of throwing up mud on to the lower surface.

  • It will then be said to be an "undercarriage bracing lift wire."

  • The plane lurched heavily and something ripped against the undercarriage.

  • Here the carriage has a very small body, hung very high on large wheels, the undercarriage being abnormally long in consequence.

    Carriages & Coaches Ralph Straus
  • When pulling an aeroplane along, if possible, pull from the top of the undercarriage struts.

  • In these days this carriage was always built with a perch, the undercarriage resembling that of a coach, whence its name.

    Carriages & Coaches Ralph Straus
British Dictionary definitions for undercarriage


Also called landing gear. the assembly of wheels, shock absorbers, struts, etc, that supports an aircraft on the ground and enables it to take off and land
the framework that supports the body of a vehicle, carriage, etc
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 undercarriage

1794, from under + carriage. Meaning "landing gear of an aircraft" is recorded from 1911.

Online Etymology Dictionary, © 2010 Douglas Harper
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