undercarriage
[/ˌʌndərˈkærɪdʒ/]
nounpl: undercarriages
trem de pouso
1. The landing gear of an aircraft, including wheels, struts, and related components that support the aircraft during takeoff, landing, and ground operations
The pilot lowered the undercarriage before landing.
O piloto abaixou o trem de pouso antes de pousar.
2. The frame, axles, and wheels of a vehicle, particularly the structural components beneath a car or train
The mechanic inspected the undercarriage of the vehicle for rust and damage.
O mecânico inspecionou o chassi do veículo para detectar ferrugem e danos.
3. The lower or supporting framework of any structure or vehicle
The undercarriage of the train needed reinforcement.
O chassi do trem precisava de reforço.
In Brazil, 'trem de pouso' is the standard aviation industry term, while 'chassi' is more commonly used in automotive contexts. The word is technical and primarily used by mechanics, pilots, engineers, and in formal documentation. In American English, 'landing gear' is more commonly used in aviation than 'undercarriage,' though both are correct.
Related Idioms & Phrases
lower the undercarriage - prepare for landing (aviation)
damaged undercarriage - structural problems affecting vehicle stability
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