|Origin:||somete, from sum 'top', from Latin summum, from summus; SUM1|
sum‧mit W3 [countable]
an important meeting or set of meetings between the leaders of several governments:
the European summit
The two presidents agreed to hold a summit in the spring.
a five-nation summit meeting
the top of a mountain [↪ peak]
Many people have now reached the summit of Mount Everest.
the greatest amount or highest level of something [= peak]:
His election as President represented the summit of his career.