The phrase "protruding camera" refers to a camera that sticks out or extends from the surface of a device, like a smartphone or tablet, instead of being flush or flat. Full definition
The fingerprint sensor is on the front, leaving the back of the device untouched aside from a pair of protruding camera lenses. (digitaltrends.com)
With the exception of an extra speaker, a slightly less protruding camera on the larger device, and of course, the overall size, both tablets share a similar aesthetic. (androidauthority.com)
The G5 Plus has a slightly protruding camera bump, while the G5 doesn't. (indianexpress.com)