A-pillar

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

Definition of A-pillar

plural A-pillars also A-posts
:either one of two support posts that are positioned on either side of the windshield of a vehicle and connect the roof to the body
  • Changing the A-pillars meant that additional changes would ripple into the roof and the windshield, into the doors and door glass, into the fenders, into the hood.
  • —James SchefterAll Corvettes Are Red1998
; also :a structural part of a vehicle that extends from the roof to the floorboard and that connects the windshield and front door to the body of the vehicle
  • Raise or lower the door hinges on the A-pillar until the door is the correct height.
  • —Mike AllenPopular MechanicsNovember 1998

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First Known Use of a-pillar

1958


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