A sudden downward slope.
A delivery; the act of leaving a package, etc.
A visitor to a website who ceases to continue using and navigating around the site after reaching some specified page; or such an act of cessation.
The precipitous outer side of a coral reef, facing the open sea.
A sudden decrease.
A space reserved outside a bus or railway station for vehicles stopping to drop off passengers for onward transit.
A time during which passengers, such as school children, are dropped off.