summit
Concise Oxford English Dictionary © 2008 Oxford University Press:
summit/ˈsʌmɪt/
▶noun
- 1 the highest point of a hill or mountain.
- 2 the highest attainable level of achievement.
- 3 a meeting between heads of government.
– origin ME: from OFr. somete, from som ‘top’, from L. summum, neut. of summus ‘highest’.
'summit' also found in these Oxford entries:

