Word
chassis
Phoneticschas·sis, stress on the first syllable
/ˈtʃæsi/
Definitions
01vehicle frame
C1 · Advanced Countable noun Technical
n. the strong metal frame that supports the engine and body of a car or truck.
n. the internal framework of a motor vehicle, including the frame, wheels, and machinery, upon which the body is mounted.
“The mechanic checked the car's chassis for rust after the long winter.”
“The heavy-duty truck features a reinforced steel chassis designed to withstand the stresses of off-road construction environments.”
Usage
The plural form is also spelled 'chassis' but is pronounced with a final /iz/ sound instead of /i/.
Antonyms
02electronics housing
C2 · Proficiency Countable noun Computing Technical
n. the metal frame inside a computer or radio that holds all the electronic parts.
n. the internal metal frame or housing of an electronic device that provides structural support for circuit boards and components.
“He opened the computer chassis to install more memory.”
“The server's modular chassis allows for the rapid replacement of power supply units without interrupting the system's operation.”
03body part
C2 · Proficiency Countable noun Slang
n. a slang word for a woman's body, especially her bottom.
n. a slang term referring to a woman's buttocks or general physical build.
“The old song used 'chassis' as a funny way to talk about a woman's shape.”
“The use of 'chassis' to describe a person's physique is largely confined to mid-twentieth-century slang and is now considered objectifying.”
Teaching tip
This sense is dated and can be seen as offensive or sexist in modern contexts; learners should avoid using it.
Real-World Examples
“The Pixel 11 Pro Fold saw the biggest chassis change compared to last year’s model, but even here, the difference is minor.” “Last year, Apex announced a new flat satellite chassis called Comet.” Etymology
Borrowed from French châssis, from châsse, from Latin capsa (“case”).
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C2 ProficiencyIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.8.5–9.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 6.0114–120
- Frequency
- Frequent
- Level
- C2 · Proficiency
- Updated
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englishreference.com/q/chassis