clearance
//ˈklɪərəns//
Noun
clearanceSingular
clearancesPlural
1
Official permission or authorization to proceed with something, especially to access restricted areas or information.
You need security clearance to enter this building.
2
The amount of space between two objects or surfaces, allowing one to pass without touching the other.
There is only a few centimeters of clearance between the car and the garage door.
3
The removal of unwanted items, obstacles, or people from a place.
The clearance of debris from the road took several hours.
4
A sale of goods at reduced prices to clear out stock.
The store is having a clearance to make room for new inventory.