Word forms: (regular plural) A-posts
nounRelated wordsCompare A-post with a B-post, against which the front door closes, and a D-post, against which the rear door closes. (Automotive engineering: Vehicle components, Bodywork, controls, and accessories) An A-post is part of the bodywork of a vehicle that supports the roof at the front corner of the passenger compartment next to the windshield.
⇒ The A-post at the front of the door frame was damaged. ⇒ A large section of each front fender, above the wheel arch and right back to the A-post had to be removed. ⇒ The most difficult task was the replacement, at each side, of a rectangular steel
frame whose rear vertical section forms the A-post and the attachment points for the door hinges.
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