The phrase "front lid" is commonly used to describe the cover or top part of something that can be opened. It refers to the front-facing part that can be lifted or flipped to access what's inside or underneath. Full definition
The bread bin has a fall front lid with a magnetic seal to keep bread fresh. (idealhome.co.uk)
The GT3 RS borrows its aero and lightweighting technologies from the standard GT3 while also tacking on a magnesium roof and carbon - fiber front lid and fenders. (automobilemag.com)
The NACA air intakes on the CFRP front lid are new. (porsche.com)