Flat ceiling

/flˈat sˈiːlɪŋ/

/flˈæt sˈiːlɪŋ/

Flat ceiling

a ceiling design that has a level or horizontal surface without any visible slopes or curves

Examples

1. Banks will just have a flat ceiling.

2. Remember, this piston, you're just seeing it from the side, but it's a kind of a flat plate or a flat ceiling on top of this thing.