B pillar definitions

B-pillar

The roof support between a car's front door window and rear side window, if there is one.
Found on http://www.caranddriver.com/reviews/glossary-of-terms-info

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B-Pillar

The roof support between a vehicle's front door window and rear side window, if there is one.
Found on https://www.encyclo.co.uk/local/22334

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B-pillar

Vertical metal roof support between front and rear side windows on the side of the vehicle.
Found on https://www.encyclo.co.uk/local/22335

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