B-pil·​lar | \ ˈbē-ˈpi-lər How to pronounce B-pillar (audio) \
variants: or less commonly B-post \ ˈbē-​ˈpōst How to pronounce B-post (audio) \
plural B-pillars also B-posts

Definition of B-pillar

: 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

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First Known Use of B-pillar

1970, in the meaning defined above

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The first known use of B-pillar was in 1970

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Cite this Entry

“B-pillar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/B-pillar. Accessed 22 Sep. 2020.

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