noun
undercarriage
UHN-duh-ka-rihj
noun
1
The supporting frame underneath a vehicle.
"Rust had eaten through part of the truck's undercarriage."
2
The landing gear of an aircraft.
"The pilot reported the undercarriage wasn't lowering properly."
How to Use Undercarriage
Learner’s notesIn plain EnglishThe structure or wheels underneath a vehicle or aircraft.
Word Forms
undercarriages plural
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Rust had eaten through part of the truck's _____.
Etymology
From under- + carriage.