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

Definition of C-pillar

: either one of two support posts that connect a vehicle's roof to its body at the rear of the rear door in a four-door vehicle or at the rear of a two-door vehicle The 2¹/₂-in.-shorter hood, the stretched out C-pillar and the elevation of the trunk …— Don Chaikin, Popular Mechanics, October 1999

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First Known Use of C-pillar

1960, in the meaning defined above

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Cite this Entry

“C-pillar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/C-pillar. Accessed 27 Oct. 2021.

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