B-pillar

noun

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

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

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 5 Nov. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!