The phrase "smaller chassis" refers to a smaller and more compact structure or frame of a vehicle or electronic device. It means that the size of the overall body or structure is reduced, making it more portable or space-efficient. Full definition
The 14 - inch screen translates to a relatively small chassis that will slip into most backpacks and messenger bags with ease. (digitaltrends.com)
As expected, the Moto G5 and G5 Plus look basically the same, save for the Moto G5's slightly smaller chassis. (androidauthority.com)
The Dell XPS 13 and XPS 15 blew us away by packing larger screens into smaller chassis, and now Lenovo captures the same magic with the Yoga 910. (techradar.com)