Dome light
The window in a ceiling or roof is called a Skylight.
Lights attached to the ceiling are commonly referred to as ceiling lights or overhead lights.
Ceiling Mount Traverse Rod
The line where the ceiling meets the wall is called a cornice. A cornice can be set off from the ceiling with the use of cornice trim. The line where the wall meets the floor is called a baseboard.
The architectural term is "vault"; some call it a cathedral ceiling.
because your mom hates you
Your head will be touching the ceiling
change the headlining
The motion observed in a ceiling fan is circular and repetitive, with the blades rotating around a central axis. In comparison, the motion observed in a car on the road is linear, with the car moving forward or backward along the surface. Both motions involve translational movement, but the ceiling fan's motion is rotational while the car's motion is linear.
A sky light
oubliette