A-pillar

noun

A-pil·​lar ˈā-ˈpi-lər How to pronounce A-pillar (audio)
variants or less commonly A-post
plural A-pillars also A-posts
: either one of two support posts that are positioned on either side of the windshield of a vehicle and connect the roof to the body
Changing the A-pillars meant that additional changes would ripple into the roof and the windshield, into the doors and door glass, into the fenders, into the hood.James Schefter, All Corvettes Are Red, 1998
also : a structural part of a vehicle that extends from the roof to the floorboard and that connects the windshield and front door to the body of the vehicle
Raise or lower the door hinges on the A-pillar until the door is the correct height. Mike Allen, Popular Mechanics, November 1998

Word History

First Known Use

1958, in the meaning defined above

Time Traveler
The first known use of A-pillar was in 1958

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Dictionary Entries Near A-pillar

Cite this Entry

“A-pillar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/A-pillar. Accessed 28 Mar. 2024.

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