B-pil·​lar ˈbē-ˈpi-lər How to pronounce B-pillar (audio)
variants or less commonly B-post
plural B-pillars also B-posts
: either one of two support posts that connect a vehicle's roof to its body at the rear of the front door
In some extreme cases, usually associated with accidents and subsequent body work, the latch pin on the B-pillar will need to be moved up, down, in or out.Mike Allen, Popular Mechanics, November 1998
It's quieter inside than in BMW's last convertible, mostly because the front seatbelts no longer flap in the wind. They are mounted on the seats instead of the B-pillars.Natalie Neff, Autoweek, 8 May 2000

Word History

First Known Use

1970, in the meaning defined above

Time Traveler
The first known use of B-pillar was in 1970

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Dictionary Entries Near B-pillar

Cite this Entry

“B-pillar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/B-pillar. Accessed 21 Apr. 2024.

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