D-pillar

noun D-pil·lar \ ˈdē-ˈpi-lər \
variants: or less commonly D-post play \ˈdē-ˈpōst\

Definition of D-pillar

plural D-pillars also D-posts
: either one of two support posts that connect a vehicle's roof to its body at the rear of a long vehicle (such as a station wagon)
  • The wide D-pillar creates a large blind spot for lane changes and backing out of parking spots.
  • —Mark PhelanDetroit Free Press14 Mar. 2013

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First Known Use of d-pillar

1979

in the meaning defined above

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