Other forms: mountaintops
A mountaintop is the highest part of a mountain. On the mountaintop, a mountaintop view, mountaintop removal.
The figurative use comes from the Bible and from Martin Luther King's last speech, where a mountaintop is where a promised land can be seen. Mountaintop removal is a form of coal mining that takes the summit off entirely.
1nounmountaintopThe highest part of a mountain.
“From the mountaintop, we could see the whole valley and the lake below.”
mountaintop is a summit.
From mountain + top.
Etymology from Wiktionary, CC BY-SA