What does "c-pillar" mean?

The vertical support dividing a car's rear window from its rear windscreen, or, if the car has an additional window and D-pillar, the support dividing the central and rear windows.

C-pillar

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
The vertical support dividing a car's rear window from its rear windscreen, or, if the car has an additional window and D-pillar, the support dividing the central and rear windows.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.