Noun
B-pillar (plural B-pillars)
(automotive) The vertical support dividing a car's front side window from its rear or central side window.Column arrangement in cars
English Wikipedia has an article on:Pillar (car)Wikipedia
On the exterior, the Tiago Wizz will feature a contrast black roof and spoiler, a blacked-out B-pillar, black ORVMs, a dual-tone wheel cover with accent and red grill highlights at the front. Source: Internet
To address the lower shoulder-belt position necessitated by the lack of a B-pillar, the W124 coupé has another trick up its sleeve: helper arms that hand you the belt like a dutiful butler. Source: Internet
Santa Fe also has its own bodyside character lines from the B-pillar back, grille design, 18-inch alloy wheels, chrome-tipped dual exhaust and a flush-mounted tow hitch design. Source: Internet