/ ˈsʌmɪt; NAmE / noun
1.
the highest point of sth, especially the top of a mountain :
We reached the summit at noon.
This path leads to the summit.
( figurative )
the summit of his career
2.
an official meeting or series of meetings between the leaders of two or more governments at which they discuss important matters :
a summit in Moscow
a summit conference
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WORD ORIGIN
late Middle English (in the general sense top part ): from Old French somete , from som top, from Latin summum , neuter of summus highest.