frame rail
/ˈfreɪmˌreɪl/
Word Rarity
Uncommon
Frequency: Zipf frequency 4.18 in modern English
14
Scrabble Score
9
Letters
1
Syllables
7
Unique Chars
Meaning
noun
Each of the two main longitudinal structural members of a body‑on‑frame vehicle, running parallel front to rear and supporting the chassis, to which cross‑members, suspension, drivetrain, and body are attached.
Example Sentences
- "It has been proposed that the length of the middle, parallel portion of the sub-frame comes flush with the inner side of the lower flange of the main frame rail."
- "Instead of a relatively flat, ladder-like structure with two longitudinal, parallel frame rails, it consists of a central, strong tubular backbone (usually rectangular in cross-section) that carries the power-train and connects the front and rear suspension attachment structures."
- "The frame rails must be firmly mortised into the legs to ensure stability."