Definitions:

1. a meeting of heads of governments noun
   • They could not agree on a climate change policy at the last summit.
2. reach the summit (of a mountain) verb
   • The experienced climbers summited in now time at all.
3. the top or extreme point of something, usually a mountain or hill noun
   • I felt like I was going to die when I finally reached the summit.

Synonyms:

• breast
• crest
• elevation
• summit meeting