atop
adv. C1 Advanced US //əˈtɑp// UK //ɐtˈɒp// atop
adv. on top of something. It is a more formal or poetic way to say something is resting on the very highest point of an object.
adv. situated on the highest point or upper surface of something. Often used in descriptive or literary contexts to indicate elevation or placement above a base.
A small gold star sits atop the Christmas tree.
The ancient castle was built atop a steep hill, making it nearly impossible for enemies to attack.
The explorer stood atop the jagged peak, gazing down at the clouds that obscured the valley floor thousands of feet below.
From a- (“on”) + top.
Usage
Typically precedes a noun phrase to form a prepositional phrase; less common as a standalone adverb.