Atop (preposition)

1. On or at the top of.
2. Overlying.

Origin:

Mid 17th century: formed irregularly from on top.

Examples:

1. He placed the book atop the desk.
2. The statue of the angel sits atop the church's steeple.
3. The flag was flying atop the flagpole.
4. He climbed to the top of the mountain and sat atop the peak.
5. The ice cream sundae was topped with whipped cream and a cherry atop.